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Question

The weight percentage of NaCl solution is 10. If the weight of the solution is 150 gms, then calculate the weight of Na and water in gms.

A
15,135
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B
25,125
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C
50,100
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D
75,75
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Solution

The correct option is A 15,135
Weight percent=weightofsoluteweightofsolution×100%
Given, Weight percent=10
Weight of solution=150gms
10=weightofsolute150gms×100%
Weight of solute=15gms
Weight of water=(15015)=135gms.


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