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What is cobalt (II) chloride hexahydrate

Cobalt (II) chloride hexahydrate is a metal used with other metals to make metal alloys. This substance can be found in spray paints, enamels, wood stains and paints, as well as bricks and cement and metal tools. It is also commonly fond in keys, jewelry and orthopedic and dental implants What is Cobalt(II)chloride hexahydrate and where is it found? Cobalt is a silver-gray, magnetic, brittle metal which is used to produce blue colors in pottery, glass, porcelain and enamel and is also combined with other metals to make metal alloys. The most common source of exposure is nickel- plated objects which always contain cobalt 2005-08-08. Cobalt chloride hexahydrate is a hydrate of cobalt chloride containing cobalt (in +2 oxidation state), chloride and water moieties in the ratio 1:2:6. It has a role as an allergen. It contains a cobalt dichloride

PATIENT INFORMATION SHEET Cobalt(II)chloride hexahydrat

Cobalt (II) chloride hexahydrate is a metal used with other metals to make metal alloys. To prevent this, consider wearing jewelry made of sterling silver or other precious metals, rather than costume jewelry. Subsequently, question is, what is the formula of cobalt II chloride hexahydrate A hydrate of cobalt chloride containing cobalt (in +2 oxidation state), chloride and water moieties in the ratio 1:2:6. ChEBI CHEBI:53503. Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module. No predicted properties have been calculated for this compound. Density Cobalt (II) chloride hexahydrate is coordination compound where six water molecules are coodinated to the Co2+ (metal center). The 2+ is balanced by the negative charges on the chloride ions. In coordination chemistry, cobalt (II) chloride hexahydrate is known as hexaaquacobalt (II) chloride with the formula [Co (OH2)6]Cl2 or simply CoCl2. 6H2O Cobalt(II) chloride hexahydrate BioReagent, suitable for cell culture, suitable for insect cell culture; CAS Number: 7791-13-1; EC Number: 231-589-4; Synonyms: Cobaltous chloride hexahydrate; Linear Formula: CoCl2 · 6H2O; find Sigma-Aldrich-C8661 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldric In this video we'll write the correct formula for Cobalt (II) chloride hexahydrate (CoCl2 • 6H2O).To write the formula for Cobalt (II) chloride hexahydrate w..

›› Cobalt(II) Chloride Hexahydrate molecular weight. Molar mass of CoCl2.6H2O = 237.93088 g/mol. Convert grams Cobalt(II) Chloride Hexahydrate to moles or moles Cobalt(II) Chloride Hexahydrate to grams. Molecular weight calculation: 58.9332 + 35.453*2 + 6*(1.00794*2 + 15.9994) ›› Percent composition by elemen Safety Data Sheet for Cobalt (II) chloride hexahydrate 102539. Material Safety Data Sheet or SDS for Cobalt (II) chloride hexahydrate 102539 from Merck for download or viewing in the browser. Catalog Number 102539. Product Name Cobalt (II) chloride hexahydrate. Select Language Cobalt(II) chloride hexahydrate Revision Date 19-Jan-2018 Eye Contact Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes. In the case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Skin Contact Wash off immediately with plenty of water for at least 15 minutes. Immediate medica Cobalt (II) chloride is one of the most common forms of chloride found the lab today. Its chemical formula is CoCl 2 and its molecular weight is 129.833 g/mol. The compound is most often supplied as cobalt (II) chloride hexahydrate or as cobalt (II) chloride anhydrous Cobalt is one of the most common metals to cause contact allergy via a delayed hypersensitivity reaction. It is also called cobalt dichloride hexahydrate, cobalt blue, cobaltous chloride hexahydrate, and cobalt hexahydrate. The name comes from the German word 'Kobold' meaning goblin or elf

Cobalt chloride hexahydrate Cl2CoH12O6 - PubChe

Two soils (a modified artificial soil mixed with 5% organic matter, pH 5.01, and a native riverine sandy soil with 0.1% organic matter, pH 6.3) were treated with cobalt(II) chloride or nickel chloride and allowed to age for four weeks before initiating tests. Alfalfa, barley, radish, perennial rye, and brassica were used to determine the. The dihydrate is purple and hexahydrate is pink. It is usually supplied as the hexahydrate CoCl 2 ·6 H 2O, which is one of the most commonly used cobalt compounds in the lab Calculate the concentration of the cobalt (II) chloride hexahydrate solution titrated in the fine titration experiment. The results of your fine titrations in the table below. 0.100 M sodium hydroxide concentration. volume of cobalt (II) chloride titrated (mL) 10 10 10 initial volume of NaOH in the burette (mL) 50 50 50 dispensed volume of NaOH

Cobalt (II) chloride hexahydrate is a metal used with other metals to make metal alloys. Because cobalt and nickel can be found in many of the same metal products, allergies to both metals can develop. To prevent this, consider wearing jewelry made of sterling silver or other precious metals, rather than costume jewelry. Cobalt is frequently. Cobalt(II) chloride hexahydrate ACS reagent, 98%; CAS Number: 7791-13-1; EC Number: 231-589-4; Synonyms: Cobaltous chloride hexahydrate; Linear Formula: CoCl2 · 6H2O; find Sigma-Aldrich-255599 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldric

Cobalt(II) chloride hexahydrate is widely used as a drying agent in painting and coloring agents for glass ceramics. It is an excellent indicator for water in dessicants as well as an indicator for silica gel dryer. It helps in electroplating. It acts as an inducer of HIF-1 production used to study apoptotic effects in HepG2 cells Cobalt (II) chloride is an inorganic compound of cobalt and chlorine, with the formula CoCl 2. It is usually supplied as the hexahydrate CoCl 2 •6H 2 O, which is one of the most commonly used cobalt compounds in the lab. The hexahydrate is purple in color, whereas the anhydrous form is sky blue. A blend would be mauve Cobalt (II) chloride, also known as cobaltous chloride and cobalt dichloride, is a chemical compound. It contains cobalt in its +2 oxidation state. Its chemical formula is CoCl 2. It contains cobalt and chloride ions Cobalt(II) chloride hexahydrate sc-203004 Hazard Alert Code Key: EXTREME HIGH MODERATE LOW activity. Allergic inflammation of the skin may appear following exposure to cobalt, usually exhibited as red patches. Injection of cobalt can cause cancer at the site of entry Indeed, blue Cobalt (II) Chloride becomes pink Cobalt (II) Chloride Hexahydrate, the end-product being extremely stable, without being influenced by light and temperature (Budavari et al., 1996.

Video: What is cobalt II chloride hexahydrate used for

Demonstration showing the changing equilibrium of cobalt complexes in solution. Initially, the beaker contains a red-pink solution of cobalt (II) chloride, present as [Co (H 2 O) 6] 2+ ions and chloride ions. When hydrochloric acid is added, the added chloride ions shift the equilibrium position in favour of blue [CoCl 4] 2-ions and water. As more chloride ions are added, formation of the. Cobalt(II) chloride hexahydrate ACS Reagent, 98%, CAS Number: 7791-13-1,(255599 Fluka).Shop now or request a quote example is cobalt(II) chloride. Without the attached water molecules cobalt(II) chloride is a blue solid. When exposed to humid air, however, the salt forms a hydrate and turns a dark red. The compound is called cobalt(II) chloride hexahydrate and its formula is: CoCl2·6H2O. This process can be represented by equation 1 Cobalt(II) chloride hexahydrate is the most common form of this inorganic compound which is a deep rose color in the hydrated form. The dramatic color change of blue-purple Cobalt(II) chloride (sc-252623) to the rose color when hydrated makes Cobalt(II) chloride an excellent indicator for water in dessicants Cobalt (II) Chloride Hexahydrate is an excellent water soluble crystalline Cobalt source for uses compatible with chlorides. Chloride compounds can conduct electricity when fused or dissolved in water. Chloride materials can be decomposed by electrolysis to chlorine gas and the metal

Cobalt II Chloride, Hexahydrate 15 grams: Amazon

Cobalt (II) chloride hexahydrate is a metal used with other metals to make metal alloys. Because cobalt and nickel can be found in many of the same metal products, allergies to both metals can develop. To prevent this, consider wearing jewelry made of sterling silver or other precious metals, rather than costume jewelry. Cobalt is frequently. Cobalt(II) Chloride Hexahydrate Composition and Molar Mass Chemical formula. Molar mass of CoCl 2 ·6H 2 O, Cobalt(II) Chloride Hexahydrate is 237.93088 g/mol. 58.9332+35.453·2+6·(1.00794·2+15.9994) Mass percentage of the elements in the composition.

This material contains Cobalt(II) chloride hexahydrate (listed as Cobalt compounds), 100%, (CAS# 7791-13-1) which is subject to the reporting requirements of Section 313 of SARA Title III and 40 CFR Part 373. This material contains Cobalt dichloride anhydrous (listed as Cobalt compounds), -%, (CAS# 7646-79-9) which i IATA: UN Number:3077 Proper Shipping Name:ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. (Cobalt(II) chloride hexahydrate) Packing Group:III Hazard Class:9 ADR.

Cobalt(II) chloride hexahydrate H12Cl2CoO6 ChemSpide

  1. e (en, 60.10 g/mol) to form a complex ion by the following reaction. 2.657 grams of CoCl 2 *6 H 2 O reacts with 11.35 grams of ethylenedia
  2. CoCl2, cobaltous chloride, cobalt dichloride, CAS RN 7791-13-1 cobalt (II) chloride hexahydrate Section 2 - HAZARDS IDENTIFICATION CHEMWATCH HAZARD RATINGS Min Max Flammability 0 Toxicity 3 Body Contact 0 Reactivity 0 Chronic 3 Min/Nil=0 Low=1 Moderate=2 High=3 Extreme=4 CANADIAN WHMIS SYMBOLS FLAMMABILITY0 HEALTH HAZARD2 INSTABILITY0 1 of 1
  3. chloride hexahydrate has a cobalt ion surrounded by a tetragonal arrangement of chloride ligands. Four water molecules occupy a square plane about cobalt while chloride ions occupy axial positions. Its crystals belong to the monoclinic lattice system. Application: Cobalt(II) chloride hexahydrate
  4. Cobalt(II) chloride hexahydrate CAS 7791-13-1 for analysis EMSURE® ACS,Reag. Ph Eur - Find MSDS or SDS, a COA, data sheets and more information

Cobalt(II) chloride is an inorganic compound of cobalt and chlorine, with the formula CoCl 2.It is usually supplied as the hexahydrate CoCl 2 ·6H 2 O, which is one of the most commonly used cobalt compounds in the lab.. The hexahydrate is purple, whereas the anhydrous form is sky blue.Because of the ease of the hydration/dehydration reaction, and the resulting color change, cobalt chloride is. Dear Sv Mg, for such experiments, the cobalt (II)chloride hexahydrate, CoCl 2 x6H 2 O, is used in very low concentrations such as 150 µM as listed in Table 2 in the Review article shown below. Calculate the theoretical percentage of water present in cobalt (II) chloride hexahydrate, given that the molar mass is 237.93 g/mol and the molar mass of water in the compound is 108.12 g/mol. Question 8 options: 220% 50.5% 6% . Chemistry PLEASE HELP!! Procedure: 1 Cole-Parmer Cobalt(II) chloride, hexahydrate. Zoom Image. Acros Organics. Quality and consistency your lab can count on Chemicals sold by Cole-Parmer are not intended for and should not be (i) used for medical, surgical or other patient oriented applications, or (ii) combined with any food product or ingested in any form

View the Full Spectrum for FREE! The full spectrum can only be viewed using a FREE account Cobalt (II) Chloride-Hexahydrate (C-017A, C-017B) Your patch testing results indicate that you have a contact allergy to Cobalt (II) Chloride-Hexahydrate. It is important that you familiarize yourself with this chemical and take steps to avoid coming in contact with it CAS: 7791-13-1 MDL: MFCD00149652 EINECS: 231-589-4 Synonyms: Cobaltous chloride hexahydrate, Cobalt dichloride hexahydrate, Cobalt Chloride, 6-Hydrate, Cobalt Chloride, Hexahydrate

Cobalt (II) Chloride Hexahydrate 95-100% Ethanol Conc. HCl (aq) Hot water bath 50-60oC (beaker on a hot plate plus thermometer is sufficient) Glass dropper and bulb Safety: Always have an adult with you to help you during your experiment.. Description: Cobalt(II) chloride hexahydrate, Purity: 98%, Grade: ACS Reagent, Cas: 7791-13-1, MF: CoCl2.6H2O, Molar Mass: 237.93 g/mol, Quality: Premium, Synonym: Cobaltous chloride hexahydrate, Color/Form: Dark red to purple Cry. SDS Certificates Inquire for Price. Stock for this item is limited, but may be available in a warehouse close to.

Cobalt(II) chloride - Simple English Wikipedia, the free

What is cobalt(II) chloride hexahydrate? - Quor

Cobalt(II) chloride hexahydrate BioReagent, suitable for

  1. COBALT(II) CHLORIDE HYDRATE Chemwatch: 5503-67 Version No: 6.1.1.1 Safety Data Sheet according to WHS and ADG requirements Issue Date: 21/12/2017 Print Date: 30/05/2019 S.GHS.AUS.EN SECTION 1 IDENTIFICATION OF THE SUBSTANCE / MIXTURE AND OF THE COMPANY / UNDERTAKING Product Identifie
  2. Calculate the theoretical percentage of water present in cobalt (II) chloride hexahydrate, given that the molar mass is 237.93 g/mol and the molar mass of water in the compound is 108.12 g/mol. Question 8 options: 220%. 50.5%. 6%
  3. e the molecular formula: The rules ionic compounds are as follows: 1. The metal keeps its name and is named and written first
  4. Cobalt(II) chloride hexahydrate (with six water molecules attached) Cobalt(II) chloride anhydrous (with no water molecules attached) Cobalt(II) chloride, also known as cobaltous chloride and cobalt dichloride, is a chemical compound. It contains cobalt in its +2 oxidation state
  5. Cobalt(II) chloride is a colorful compound with the formula CoCl 2.Three hydrates of cobalt chloride exist, anhydrous, dihydrate, and hexahydrate. All three hydrates are hygroscopic, with the anhydrous a light blue color, and the di and heptahydrate violet
  6. Cobalt(II) chloride; Anhydrous. Hexahydrate. Names; IUPAC name. Cobalt(II) chloride. Other names Cobaltous chloride Cobalt dichloride Muriate of Cobalt [1] Identifiers; CAS Number. rose red crystals (hexahydrate) Density: 3.356 g/cm 3 (anhydrous) 2.477 g/cm 3 (dihydrate) 1.924 g/cm 3 (hexahydrate) Melting point: 735 °C (1,355 °F; 1,008 K.

How to Write the Formula for Cobalt (II) chloride hexahydrat

  1. The recommendations on this Card also apply to Cobalt (II) chloride hydrates: Cobalt (II) chloride hexahydrate (CAS 7791-13-1), Cobalt (II) chloride dihydrate (CAS 14216-74-1). ADDITIONAL INFORMATION EC Classificatio
  2. Cobalt(II) chloride is often used in humidity indicators because in dry form it is blue and when hydrated it is pink. The radioactive isotope of cobalt, Co-60, is used in portable x-ray devices. It actually produces gamma rays which can be used to detect internal flaws in metal in much the same way as x-rays by producing a shadowy image on film
  3. Cobalt is usually used and known as cobalt(II) dichloride hexahydrate or cobalt blue. Sources of Cobalt Cobalt blue is a pigment used to color glass, porcelain, ceramics, pottery, and enamels
  4. Cobalt (II) chloride hexahydrate, CoCl2 · 6H2O, is often used as a humidity indicator. This is due to the fact that the hydrate is a deep magenta color while the anhydrous form is a pale blue
  5. Description: Cobalt(II) chloride hexahydrate, redish purple crystals ,ICNA0219510725EA,ICNA0219510783EA,ICNA0219510780EA Cobalt(II) chloride hexahydrate, Sigma-Aldrich
  6. Description: Cobalt(II) chloride hexahydrate 98.0-102.0%, AnalaR NORMAPUR® ACS analytical reagent nickel-free. UOM: 1 * 100 g. MSDS Certificates. View Product Page. Retrieving Each-+ Cobalt(II) chloride hexahydrate 98.0-102.0% (by EDTA titration), crystals, AR® ACS, Macron Fine Chemicals™ Catalog.

Notice: Except where noted, spectra from this collection were measured on dispersive instruments, often in carefully selected solvents, and hence may differ in detail from measurements on FTIR instruments or in other chemical environments. More information on the manner in which spectra in this collection were collected can be found here. Notice: Concentration information is not available for. Product name : Cobalt(II) chloride hexahydrate CAS-No. : 7791-13-1 1.2 Relevant identified uses of the substance or mixture and uses advised against Identified uses : Laboratory chemicals, Manufacture of substances 1.3 Details of the supplier of the safety data sheet Company : Cater Chemicals Corporation 30 Monaco Drive Roselle, IL 6017 Therefore, the chemist needs to prepare 116.8 grams of cobalt (II) chloride hexahydrate in order to produce 63.75 g of cobalt (II) chloride. Become a member and unlock all Study Answers Try it.

Molecular weight of Cobalt(II) Chloride Hexahydrat

Cobalt(II) chloride hexahydrate MSDS - 102539 - Merc

  1. Cobalt(II) chloride hexahydrate is the most common form of this inorganic compound which is a deep rose color in the hydrated form. The dramatic color change of blue-purple Cobalt(II) chloride to the rose color when hydrated makes Cobalt(II) chloride an excellent indicator for water in dessicants
  2. ation of Oxidation States of Uranium in Mixed-Valent Uranium Oxides Using Total Reflection X-ray Fluorescence X-ray Absorption Near-Edge Spectroscop
  3. Cobalt(II) Chloride Hexahydrate; Cobalt(II) Chloride Hexahydrate Guaranteed Reagent Manufacturer : FUJIFILM Wako Pure Chemical Corporation Storage Condition : Keep below 25 degrees C. CAS RN ®: 7791-13-1 Molecular Formula : CoCl2・6H2O Molecular Weight : 237.93.
  4. Cobalt(II) chloride hexahydrate. Synonyms: Cobaltous chloride hexahydrate Cl 2 Co • 6H 2 O M r 237.93 CAS Number [7791-13-1] EC Number 231-589-4 Merck 14,2437 RTECS GG0200000 MDL Number MFCD00149652 UN Number UN 3260 8/PG 2 Purity ≥ 98.0%. Appearance (Starting Material): Violet, Crystal
  5. Cobalt [II] chloride hexahydrate: Pink to red slightly deliquescent, monoclinic, prismatic crystals. Cobalt [II] oxide: mw: 74.94- Powder or cubic exagonal crystals-Color from olive green to red depending on particle size-Insoluble in water, soluble in acids or alkalis. Cobalt [II] sulfate: Red to lavender dimorphic, orthorhombic crystals

SAFETY DATA SHEET - Fisher Sc

Buy high purity Cobalt (II) chloride hexahydrate analytical standards from Chem Service Inc. at $17.10. (7791-13-1) (NG-I44-1G Cobalt Chloride. Hydrate Name: Cobalt (ll) chloride hexahydrate; Formula: CoCl₂⋅ 6H₂O; Use: In its hydrate form, cobalt chloride is purple, while its anhydrous form is light blue. Papers coated with cobalt chloride are sold as a way to detect moisture Depending on the hydrate, cobalt chloride can have a third color. For example, cobalt (II) chloride hexahydrate (CoCl2 . 6 H2O) is the deep magenta color the compound is known for. The dihydrate from (CoCl2 . 2 H2O) is a lighter, more purplish color. Finally, the anhydrous form is blue Cobalt Chloride Hexahydrate, 98-102%, 100g. $36.95. Reagent Grade Cobalt (II) Chloride 6-Hydrate, 500g - The Curated Chemical Collection. $102.04. Sulfuric Acid Solution, 1.0M, 500mL - The Curated Chemical Collection. 4.2 out of 5 stars Cobalt (II) chloride is an inorganic compound of cobalt and chlorine, with the formula CoCl2. It is a sky blue crystalline solid. The compound forms several hydrate s CoCl2• n H2O, for n = 1, 2, 6, and 9. Claims of the formation of tri- and tetrahydrates have not been confirmed

Media in category Cobalt(II) chloride hexahydrate The following 12 files are in this category, out of 12 total. Chlorid kobaltnatý.JPG 640 × 438; 133 KB. Cobalt chloride (1).JPG. Cobalt chloride (2).JPG 604 × 478; 106 KB b. cobalt (II) chloride hexahydrate CoCl2 • 6H2O c. magnesium carbonate pentahydrate MgCO3 • 5H2O d. sodium sulfate decahydrate Na2SO4 • 10H2O 180. Determine the mass percent of anhydrous sodium carbonate (Na2CO3) and water in sodium carbonate decahydrate (Na2CO3·10H2O). 2 mol Na __ 22.99 g Na 1 mol Na Cobalt Chloride Hexahydrate Analytical Reagent Grade Cobalt(II) Chloride Hexahydrate Cobaltous Chloride Hexahydrate CoCl2 . 6H2O Formula Wt 237.93 CAS Number 7791-13-1. REQUIREMENTS Assay: 98.0-102.0% CoCl2.

What to Know About Cobalt (II) Chloride - Noah Tec

  1. compound cobalt (II) chloride is blue, while the hydrate is a distinctive magenta color. The hydrated form of cobalt (II) chloride contains six water molecules in each formula unit. The name of the compound is cobalt (II) chloride hexahydrate and its formula is CoCl 2•6H 2 O. The formula fo
  2. s. Hydrogen peroxide (23% vol) (4cm3) was added in portions over 5
  3. Formula and structure: The cobalt (II) chloride chemical formula is CoCl 2.This molecule present different level of hydratation: anhydrous (CoCl 2), dihydrate (CoCl 2.2H 2 O) and hexahydrate (CoCl 2.6H 2 O) which have molar mass of 129.839 g mol -1, 165.87 g mol-1 and 297.93 g mol-1.In general, the molecule is formed by the cobalt cation Co +2 and chloride anion Cl-and their structures are.
  4. approximately 3.0 g of ammonium chloride in the ammonia solution with a little gentle swirling of the loosely stoppered flask. Weigh accurately by difference about 5 g of granulated cobalt(II) chloride hexahydrate (Co(H2O)6Cl2). Proceed as follows: 1) Obtain a clean, dry, stoppered weighing bottle from your equipment. If bottle is not clean

chemBlink provides information about CAS # 7791-13-1, Cobalt chloride hexahydrate, Cobalt(II) chloride hexahydrate, molecular formula: CoCl2.6(H2O) Textbook solution for General Chemistry - Standalone book (MindTap Course 11th Edition Steven D. Gammon Chapter 2 Problem 2.94QP. We have step-by-step solutions for your textbooks written by Bartleby experts Dehydration and decomposition of an undried and a partly dried sample of hydrated CoCl2 have been investigated by using both isothermal and non-isothermal weight loss methods. The intermediate products of dehydration and decomposition at different temperatures have been characterized by chemical analysis, X-ray diffraction, microscopy, infrared and diffuse reflectance spectroscopy. Though XRD. Cobalt (II) chloride hexahydrate, Sigma-Aldrich®. Supplier: Sigma-Aldrich. Description: Cobalt (II) chloride hexahydrate, Sigma-Aldrich®. ,SAFSC2911-100GEA,SAFSC2911-250GEA. Product (s) marked with this symbol are discontinued - sold till end of stock. Alternatives may be available by searching with the VWR Catalogue Number listed above

Allergy to cobalt DermNet N

Cobalt chloride (CoCl2) CoCl2 - PubChe

Greek prefixes are attached to the word hydrate to indicate the number of water molecules per formula unit for the compound (e.g., Ba(OH) 2 •8H 2 O; 8 water molecules = octahydrate). Rule 3. When the chemical formula for a hydrated ionic compound is written, the formula for the ionic compound is separated from the waters of hydration by a. Ethanol - Water. In this experiment we will study the effect of water in ethyl alcohol, C 2 H 5 OH, on the hydration of cobalt chloride.. We will start by dissolving the red cobalt chloride hydrate in ethyl alcohol COBALT CHLORIDE acts as a weakly acidic inorganic salt, which is soluble in water. The resulting solutions contain moderate concentrations of hydrogen ions and have pH's of less than 7.0. They react as acids to neutralize bases. These neutralizations generate heat, but less or far less than is generated by neutralization of inorganic acids. 1. Give the formula or the name of the following hydrated salts:a. cobalt(II) chloride hexahydrate b. iron(II) sulfate heptahydratec. CaCl2 x 2H2Od. Cu(NO3)2 x 3H2O 2. The mass percent of water in a hydrate of MnCl2 is 36.41%. What is the formula of the hydrate?3. A hydrated compound has analysis of 18.29% Ca, 32.37% Cl,and 49.34% H2O