Multiple Choice
Calculate the minimum concentration of Cr3+ that must be added to 0.095 M NaF in order to initiate a precipitate of chromium(III) fluoride.(For CrF3 , Ksp = 6.6 × 10-11.)
A) 0.023 M
B) 0.032 M
C) 7.7 × 10-8 M
D) 2.9 × 10-9 M
E) 6.9 × 10-10 M
Correct Answer:
Verified
Correct Answer:
Verified
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