Enter either the number of moles or weight for one of the compounds to compute the rest. The compound forms several hydrates CoCl 2 •n H 2 O, for n = 1, 2, 6, and 9. By using this website, you signify your acceptance of, Instructions and examples below may help to solve this problem, calcium hydroxide + carbon dioxide = calcium carbonate + water, Enter an equation of a chemical reaction and click 'Balance'. Question: When CoCl2 Is Dissolved In Water, The Resulting Solutionis Pink Because Of The Presence Of (only) Octahedrally Coordinated[CoCl (H2O)5]+ Coordinationcomplex. Steve O. Lv 7. BioReagent, suitable for cell culture, suitable for insect cell culture. Reaction stoichiometry could be computed for a balanced equation. ⋅ + + + Letzteres kann wiederum durch Reaktion von Cobalt(II)-hydroxid oder Cobalt(II)-carbonat mit Salzsäure gewonnen werden. 4 stresses applied: HCl, AgNO3, heat, and cold. The EXACT NAME of CoCl2.H2O is: Cobalt(II) Chloride Monohydrate. Substitute immutable groups in chemical compounds to avoid ambiguity. If Concentrated Hydrochloric Acid Is Added To Thissolution, The Following Equilibrium Is Established: [CoCl (H2O)5]+ +Cl- [CoCl2 (H2O)2 ]+3H2O ΔH0 Where [CoCl2 (H2O)2 ] Is Alsosoluble In Water. Substitute immutable groups in chemical compounds to avoid ambiguity. Enter either the number of moles or weight for one of the compounds to compute the rest. CoCl 2 •6H 2 O CoCl 2 + 6H 2 O. Calculate the % H2O in the hydrate. By using this website, you signify your acceptance of, calcium hydroxide + carbon dioxide = calcium carbonate + water, Enter an equation of a chemical reaction and click 'Balance'. 2/What was the actual number of moles of water per formula unit CoCl 2? CAS Number: 7791-13-1. when CoCl2*6 H2O dissoves in water it makes the pink ion [Co (H2O)6]+2. 6H2O. If you do not know what products are enter reagents only and click 'Balance'. The thermal decomposition of hexahydrate cobalt (II) chloride to produce cobalt (II) chloride and water. Compound states [like (s) (aq) or (g)] are not required. 1/ After 0.62 g of CoCl2⋅6H2O is heated, the residue has a mass of 0.321 g . Quick demonstration of Le Chatelier's principle using CoCl2 equilibrium. Limiting reagent can be computed for a balanced equation by entering the number of moles or weight for all reagents. Examples: Fe, Au, Co, Br, C, O, N, F.     Compare: Co - cobalt and CO - carbon monoxide, To enter an electron into a chemical equation use {-} or e. To enter an ion specify charge after the compound in curly brackets: {+3} or {3+} or {3}. Molecular Weight: 237.93. Reaction stoichiometry could be computed for a balanced equation. Formula weights are especially useful in determining the relative weights of reagents and products in a chemical reaction. Gewinnung und Darstellung. Examples of the chemical equations reagents (a complete equation will be suggested): H 2 SO 4 + K 4 Fe(CN) 6 + KMnO 4; Ca(OH) 2 + H 3 PO 4; Na 2 S 2 O 3 + I 2; C 8 H 18 + O 2; hydrogen + oxygen; propane + oxygen Give us feedback about your experience with chemical equation balancer. Cobalt(II)-chlorid lässt sich aus den Elementen oder durch Erhitzen des Hexahydrates in Gegenwart von Thionylchlorid oder Phosgen oder im Chlorwasserstoffstrom gewinnen. Explanations (including important chemical equation): The following equilibrium is observed: Co(H 2 O) 6 2+ (aq) + 4 Cl-(aq) <=> CoCl 4 2-(aq) + 6 H 2 O(g) The Co(H 2 O) 6 2+ complex is pink, and the CoCl 4 2- complex is blue. Compound states [like (s) (aq) or (g)] are not required. Claims of the formation of tri- and tetrahydrates have not been confirmed. This process can be represented by equation 1: equation 1 22 22 blue fromair darkred CoCl (s)+ 6H O(g) CoCl 6H O(s) →⋅ By heating the hydrate water can be driven off: equation 2 heat 22 2 2cool it thpresence a lot of … Limiting reagent can be computed for a balanced equation by entering the number of moles or weight for all reagents. Sigma … In many cases a complete equation will be suggested. Generally, for students and common people, CoCl2.H2O and CoCl2.6H2O actually have the SAME Name - Cobalt Chloride - written as Cobalt(II) Chloride, though some people who are not so good in Chemistry call it Cobalt Dichloride, which is also acceptable. Structure, properties, spectra, suppliers and links for: Cobalt(II) chloride hexahydrate, 7791-13-1. Enter either the number of moles or weight for one of the compounds to compute the rest. The answer will appear below, Always use the upper case for the first character in the element name and the lower case for the second character. The dihydrate is purple and hexahydrate is pink. If you do not know what products are enter reagents only and click 'Balance'. Reaction stoichiometry could be computed for a balanced equation. The answer will appear below, Always use the upper case for the first character in the element name and the lower case for the second character. 1 Answer. Favorite Answer. C8661. These relative weights computed from the chemical equation are sometimes called equation weights. Limiting reagent can be computed for a balanced equation by entering the number of moles or weight for all reagents. Furthermore, CoCl2 treatment effectively induced the stabilization of HIF-1a, the differential expression of a truncated form of p53 (p47) and decreased levels of cyclin D1, indicating molecular mechanisms associated with cell cycle arrest at G2. 6H2O. Relevance. In many cases a complete equation will be suggested. Cobalt(II) chloride is an inorganic compound of cobalt and chlorine, with the formula CoCl 2.It is a sky blue crystalline solid.. Examples of complete chemical equations to balance: Fe + Cl 2 = FeCl 3 Examples: Fe, Au, Co, Br, C, O, N, F.     Compare: Co - cobalt and CO - carbon monoxide, To enter an electron into a chemical equation use {-} or e. To enter an ion specify charge after the compound in curly brackets: {+3} or {3+} or {3}. This reaction takes place at a temperature of 160-170°C in a flow dry HCl. Info: CoCl2*6H2O(heat) might be an improperly capitalized: COCl2*6H2O(HeAt), CoCl2*6H2O(HeAt) Instructions and examples below may help to solve this problem You can always ask for help in the forum Instructions on balancing chemical equations: Enter an equation of a chemical reaction and click 'Balance'. This reaction is endothermic as written, so adding heat causes the equilibrium constant to shift to the right. 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