Precipitation: Will either CaSO4 or MgSO4 form a precipitate in this water sample? (Hint: Calculate Keq and compare to Ksp) At 25 °C, Ksp CaSO4 = 2.4 x 10¹5 Dissolution equation for CaSO4: Keq, CaSO4 = Dissolution equation for MgSO4: Keq, MgSO4 = CaSO4(s) → MgSO4(s) → At 25 °C, Ksp MgSO4 = 2.50 *Are there any assumptions you made to solve the precipitation questions?

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Chapter17: Spontaneity, Entropy, And Free Energy
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Problem 123CP: Sodium chloride is added to water (at 25C) until it is saturated. Calculate the Cl concentration in...
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Precipitation: Will either CaSO4 or MgSO4 form a precipitate in this water sample? (Hint: Calculate Keq
and compare to Ksp)
At 25 °C, Ksp CaSO4 = 2.4 x 10.5
Dissolution equation for CaSO4:
Keq, CaSO4 =
Dissolution equation for MgSO4:
Keq, MgSO4 =
CaSO4(s) →
MgSO4(s) →
At 25 °C, Ksp MgSO4 = 2.50
*Are there any assumptions you made to solve the precipitation questions?
Transcribed Image Text:Precipitation: Will either CaSO4 or MgSO4 form a precipitate in this water sample? (Hint: Calculate Keq and compare to Ksp) At 25 °C, Ksp CaSO4 = 2.4 x 10.5 Dissolution equation for CaSO4: Keq, CaSO4 = Dissolution equation for MgSO4: Keq, MgSO4 = CaSO4(s) → MgSO4(s) → At 25 °C, Ksp MgSO4 = 2.50 *Are there any assumptions you made to solve the precipitation questions?
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