The K _sp of Mg₃(PO₄)₂ Is 1

question 6

Multiple Choice

The K _sp of Mg₃(PO₄) ₂ is 1.0×10 ^{- 24}. In a particular saturated solution, the equilibrium concentration of Mg²⁺ is 1.0×10 ^{- 6} M , the PO₄^{3 -} ion concentration is:

• A) 1.9×10 ^{- 4} M
• B) 3.7×10 ^{- 8} M
• C) 1.0×10 ^{- 6} M
• D) 6.2×10 ^{- 6} M
• E) 1.0×10 ^{- 3} M

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