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The volume of water required to prepare ...

The volume of water required to prepare one litre of 0.1 N `HNO_3` solution from 10 ml of 10 N `HNO_3` solution is:

A

1000 mL

B

990 mL

C

1010 mL

D

10mL

Text Solution

Verified by Experts

The correct Answer is:
B
Given ` N _ 1 = 10 N, V _ 1 = 10 ml , N _ 2 = 0.1 N, V _ 2 = ? `
` N _ 1 V _ 1 = N _ 2 V _ 2 `
or ` 10 xx 10 = 0.1 xx V _ 2 `
or ` V _ 2 = (10 xx 10 ) / ( 0.1 ) , V _ 2 = 1000 ml `
Volume of water to be added ` = V _ 2 - V _ 1 = 1000 - 10 = 990 ml `.
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