Chemistry, 09.12.2021 04:00 ShlomoShekelstein

For the given equation [Co(H2O)6] 2+ (aq) + 4Cl- (aq) [CoCl4] 2- + 6H2O(l) Take an aliquot of the 0.05 M CoCl2·6H2O solution that is in 6.0 M HCl. Use the UV-visible spectrophotometer to record the absorbance spectrum of the equilibrium mixture between 400 and 800 nm. Temperature Absorbance Concentration 10 0.66 0.00144 20 0.96 0.00166 30 1.34 0.00232 40 2.21 0.00400 1-How was the [ ] calculated? 2-Calculate K at 20OC . 3-Calculate ∆G0 at the same temperature. 4-Explain how to determine ∆H0 and ∆S0 experimentally.

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For the given equation [Co(H2O)6] 2+ (aq) + 4Cl- (aq) [CoCl4] 2- + 6H2O(l) Take an aliquot of the 0....

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