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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) or 0.02 xx 4=M_(2) xx 5" or " M_(2)=(0.02xx 4)/(5)=0.016`
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