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50 gm of sample of sodium hydroxide requ...

50 gm of sample of sodium hydroxide required for complete neutralisation, 1 litre 1 N HCl. What is the percentage purity of `NaOH` is

A

50

B

60

C

70

D

80

Text Solution

Verified by Experts

The correct Answer is:
D
`w = N xx GEW xx V` (in lit)
% of purity of `NaOH = (40)/(50) xx 100 = 80%`
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