What is the solubility of magnesium arsenate in g/L?I found the ksp for magnesium arsenic to...

Question

Question

What is the solubility of magnesium arsenate in g/L?I found the ksp for magnesium arsenic to be 4.55 x 10^-5

science chemistry

Answer 1

Answer #1

The reaction can be best represented as

Mg₃(AsO4)₂ ↔ 3Mg⁺²+ + 2AsO4^-3

Ksp=[3Mg⁺²]³ [ 2AsO4-]²

Let x= solubility

Ksp= (3x)3(2x)2= 27x³4x² =108x⁵ =4.55*10^-5

x= 0.0531M

Answer 2

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