Q.

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A :3.1500g of hydrated oxalic acid dissolved in water to make 250.0 mL solution will result in 0.1 M oxalic acid solution.
Reason R: Molar mass of hydrated oxalic acid is 126g  
In the light of the above statements, choose the correct answer from the options given below.

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a

if (A) is true but (R) is false

b

if both (A) and (R) are correct and (R) is correct explanation of (A).

c

if both (A) and (R) are false

d

if both (A) and (R) are correct but (R) is not the correct explanation of (A).

answer is B.

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Detailed Solution

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H2C2O42H2O( Molecular weight =126)M=wtmol.wt×1000 volume (ml)M=3.15126×1000250=0.1.

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