SolutionHard

Question

If 0.1 M solution of NaCl has same osmotic pressure as 0.1 M solution of CaCl2, then the degree of dissociation of CaCl2 will be

Options

A.0.5
B.0.2
C.0.4
D.0.33

Solution

Osmolarity of both solution should be equal

$\therefore 0.1 \times 2 = 0.1 \times (1 + 2\alpha) \Rightarrow \alpha = 0.5$

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