Question

find the mass of CaCo3 which can able to neutralize 1/2 L of 3M H2C2O4.2H2O solution.​

Answer 1

Explanation:

We know that :

N1V 1=N 2bV 2

Normality=Molarity×Basicity

For sulphuric acid, the basicity is 2.

∴N 1=0.1×2=0.2N

V 1= ?

N 2=0.1×1=0.1N

V 2=40ml

0.2×V 1 =0.1×40

V 1=20ml