Magnesium carbonate, MgCO3 , has a Ksp value of 6.8010 ?6 . What happens when ma

Question

Magnesium carbonate, MgCO3, has a Ksp value of 6.8010?6 . What happens when magnesium and carbonate solutions are mixed to give 2.5010?3M Mg2+ and 2.0010?3M CO3 2-?

A precipitate forms because .

A precipitate forms because .

No precipitate forms because .

No precipitate forms because .

A precipitate forms because .

No precipitate forms because .

No precipitate forms because .

Explanation / Answer

MgCO3 ====> Mg2+ + CO32- Ksp = [Mg2+]*[CO32-] Mg2+ = 2.5 x 10^3 CO32- = 2 x 10^3 ( I am assuming it is +3, can't tell because the question shows ?3, it could be negative, please double check) Q= (2.5 x 10^3)*(2 x 10^3) = 5 x 10^6 Q

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