Zirconium phosphate [Zr 3 (PO 4 ) 4 ] dissociates into three zirconium cations of charge +4 and four phosphate anions of charge -3. If molar solubility of zirconium phosphate is denoted by S and its solubility product by K sp then which of the following relationship between S and K sp is correct ?

Question

Zirconium phosphate [Zr 3 (PO 4 ) 4 ] dissociates into three zirconium cations of charge​ +4 and four phosphate anions of charge -3. If molar solubility of zirconium phosphate is denoted by S and its solubility product by K sp then which of the following relationship between S and K sp is correct ​?, S = K sp / 6 9 1 2 7, S = K sp / 1 4 4 1 / 7, S = K sp / 6 9 1 2 1 / 7, S = K sp / 6 9 1 2 1 / 7

MARKS App · Accepted Answer

In the saturated solution of Zr 3 PO 4 4 + aq ⇌ 3 Zr 4 + 3 S molar + 4 PO 4 3 - 4 S molar K sp = Zr 4 + 3 PO 4 3 - 4 = 3 S 3 4 S 4 = 2 7 × 2 5 6 × s 7 = 6 9 1 2 S 7 S = K sp 6 9 1 2 1 / 7

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