SolutionHard

Question

Aluminium phosphate is 100% ionised in 0.01 molal aqueous solution. Hence, ᐃTb / Kb is :

Options

A.0.01
B.0.015
C.0.0175
D.0.02

Solution

AIPO4 ⇋ Al3+ + PO43-
i = 1 + x = 2
ᐃTb = molality Kbi
∴   = 0.02.

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