what is the percent by mass if 7g of nacl is dissolve in a solution whose total mass is 80g
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2
Answer:
% by mass = mass of solute ×100 / mass of solution
so 100× 7/80 = 8.75%
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6
Explanation:
to find the percentage of nacl sissolved on 80g of solution..we divide the mass of nacl to the total mass of solution and then to get percentage multiply it with 100...
%of nacl=(7÷80)×100
=8.75%
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