A new stockroom worker wanted to prepare a 0.001 M CaSO4 solution at 25°C. He massed out the correct stoichiometric amounts to make a 1.00 L stock solution. Once he diluted the massed CaSO4 with water, which of the following occurred.
A) [Ca2+] = [SO42-] = 0.001 M
B) [Ca2+] = [SO42-] < 0.001 M
C) a precipitate formed
D) a and c
E) b and c
Correct Answer:
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