Question
Choose the chemical reaction that best describes the precipitation of the solid mineral gypsum (CaSO 4 2H 2 O (s) ). Question 1 options: CaSO
- Choose the chemical reaction that best describes the precipitation of the solid mineral gypsum (CaSO4•2H2O(s)).
Question 1 options:
CaSO4•2H2O(s) + SO42-(aq) ⇔ Ca2+(aq) + H2O(l) | |
Ca2+(aq) + SO42-(aq) ⇔ CaSO4•2H2O(s) | |
Ca2+(aq) + SO42-(aq) + H2O(l) ⇔ CaSO4•2H2O(s) | |
CaSO4•2H2O(s) ⇔ Ca2+(aq) + SO42-(aq) + H2O(l) |
Choose the correct equilibrium expression for the dissolution of gypsum, CaSO4·H2O.
Question 2 options:
Ksp = (Ca2+)(SO42-)(H2O) | |
Ksp = (Ca2+)(SO42-)2 | |
Ksp = 1/(Ca2+)(SO42-) | |
Ksp = (Ca2+)(SO42-)/(CaSO4)(H2O) | |
Ksp = (Ca2+)(SO42-) | |
Ksp = (CaSO4)(H2O)/(Ca2+)(SO42-) |
Choose the correct equilibrium expression for the precipitation of gypsum, CaSO4·H2O.
Question 3 options:
Keq = (Ca2+)(SO42-) | |
Keq = (CaSO4)(H2O)/(Ca2+)(SO42-) | |
Keq = (Ca2+)2(SO42-)2 | |
Keq = 1/(Ca2+)(SO42-) | |
Keq = (Ca2+)(SO42-)(H2O)/(CaSO4·H2O) | |
Keq = (Ca2+)(SO42-)(H2O) |
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