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How many grams of a dibasic acid (mol. M...

How many grams of a dibasic acid (mol. Mass `200`) should be present in `100 mL` of the aqueous solution to give `0.1 N` solution.

A

1 g

B

2 g

C

10 g

D

20 g

Text Solution

Verified by Experts

The correct Answer is:
A
Equivalent weight of dibasic acid
`=("Molecular weight")/(2)`
`E=(200)/(2)=100`
Stremgth `=0.1N, m = ? V = 100 mL`
Normality (N) `=("Mass")/(E )xx(1000)/(V(L))`
`w=(E NV)/(1000)=(100xx100xx0.1)/(1000)=1g`
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