Question
Consider the following reaction: CaSO 4(s) = Ca 2+ (aq) + SO 4 2- (aq) . At 25 o C the equilibrium constant is K
Consider the following reaction: CaSO 4(s) = Ca 2+ (aq) + SO 4 2- (aq) . At 25 o C the equilibrium constant is K eq =2.4x10 -5 for this reaction.
(a) If excess CaSO 4(s) is mixed with water at 25 o C to produce a saturated solution of CaSO 4 , what are the equilibrium concentrations of Ca 2+ and SO 4 2- ?
(b) If the resulting solution has a volume 3.0 L, what is the minimum mass of CaSO 4(s) needed to achieve equlibrium?
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Chemical Principles
Authors: Steven S. Zumdahl, Donald J. DeCoste
7th edition
9781133109235, 1111580650, 978-1111580650
