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Find the Concentration of Calcium Ions in a Solution Made

Question 20

Multiple Choice

Find the concentration of calcium ions in a solution made by adding 3.50 g of calcium fluoride to 750.mL of 0.125 M NaF.[For CaF2, Ksp = 3.95 × 10-11.]


A) 3.16 × 10-10 M
B) 2.53 × 10-9 M
C) 4.29 × 10-4 M
D) 6.32 × 10-10 M
E) 2.15 × 10-4 M

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