Assertion A: 1.24 g of hydrated hypo dissolved in water to make 250.0 ml solution result in 0.2 M hypo solution

Question

Given below are two statements: one labelled as Assertion A and other is labelled as Reason R

Assertion A: 1.24 g of hydrated hypo dissolved in water to make 250.0 ml solution result in 0.2 M hypo solution

Reason R: Molar mass of hydrated hypo is 248 g ${mol}^{- 1}$

In the light of the above statements. Choose the correct answer from the options given below

Smart Achievers · Accepted Answer

(2)

$N a_{2} S_{2} O_{3} \cdot 5 H_{2} O called hypo$

$Mol.wt = 248$

$M = \frac{1.24}{248} \times \frac{1000}{250} = 0.02$

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