Consider the reactionCaSO4(s) ⇌ Ca2+(aq) + SO42-(aq)At 25 °C, the equilibrium constant is Kc = 2.4 x10-5 forthis reaction. (a) If excess CaSO4(s) is mixed with waterat 25 °C to produce a saturated solution of CaSO4, whatare the equilibrium concentrations of Ca2+ and SO42-?(b) If the resulting solution has a volume of 1.4 L, whatis the minimum mass of CaSO4(s) needed to achieveequilibrium?

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