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17 Nov 2019
A student mixed 4 mL of 0.00404 M NaSCN, 5 mL of 0.00200 M Fe(NO_3)_3 in 0.25 M HNO_3, and 1 mL of 0.25 M HNO_3, and the solution turned red. By colorimetric analysis, the equilibrium concentration of FeSCN^2+ was determined to be 1.87 times 10^-4 mol/L. Calculate the equilibrium constant for the equilibrium given below (show your calculations): Fe^3+ (aq) + SCN^- (aq) FeSCN^2+ (aq)
A student mixed 4 mL of 0.00404 M NaSCN, 5 mL of 0.00200 M Fe(NO_3)_3 in 0.25 M HNO_3, and 1 mL of 0.25 M HNO_3, and the solution turned red. By colorimetric analysis, the equilibrium concentration of FeSCN^2+ was determined to be 1.87 times 10^-4 mol/L. Calculate the equilibrium constant for the equilibrium given below (show your calculations): Fe^3+ (aq) + SCN^- (aq) FeSCN^2+ (aq)
Deanna HettingerLv2
5 Aug 2019