How much water should be added to 10 g of common salt to obtain 10% salt solution ?
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3.3g H2O will be required
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Answer:
Explanation:concentration of salt solution =10%
Mass of common salt=10g
Concentration of salt solution =mass of solute /mass of solution ×100
Solution =solute +solvent
10%=10/10+x ×100
10=10×100/10+x
10=1000/10+x
10(10+x)=1000
100+10x=1000
10x=1000-100=900
x=900/10
=90
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