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, K_sp = 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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