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5.3 g of Na(2)CO(3) taken in a 250 ml fl...

5.3 g of `Na_(2)CO_(3)` taken in a 250 ml flask and water added upto the mark. 10ml of that solution was taken in a 50 ml flask water added upto the mark. Find molarity of that dilute solution.

A

0.1 M

B

0.02 M

C

0.04 M

D

none

Text Solution

Verified by Experts

The correct Answer is:
C
`M_(1)=(5.3)/(106xx0.25)=0.2M,M_(1)V_(1)=M_(2)V_(2)`
`0.2xx10=M_(2)xx50impliesM_(2)=0.04M`
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