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4 L of 0.02 M aqueous solution of NaCl w...

4 L of 0.02 M aqueous solution of NaCl was diluted by adding 1 L of water. The molality of the resultant solution is……..

A

0.004

B

0.008

C

0./012

D

0.016

Text Solution

Verified by Experts

The correct Answer is:
d
`M_(1)V_(1)=M_(2)V_(2)`
`(0.02 M)xx(4L)=M_(2)xx(5L)`
`M_(2)=((0.0M)xx(4L))/((5L))`
=0.16 M
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