how many grams of nacl will have to be dissolved in 50 gm of h2o to make its 20%solution by mass
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10 gm nacl should be added for making it 20% of 50 gm h2o
ShIvAnShtheguitarist:
dude thats wrong answer is .....12.5 grams....even i did the same mistake that u did here
okk
Answered by
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20per of nacl
=20/100*50
=10
=20/100*50
=10
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