Arun has prepared 0.01% (by mass) solution of sodium chloride in water.
Which of the following correctly represents the composition of the solutions ?
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2
Answer:
o.ol g of NaCl + 99.99 g of water
Explanation:
Mass by mass % =
Massofsolution
Massofsolute
×100
=
100
.01
=0.01%
=
0.01+99.99
.01
×100
=
100
0.01
×100
Hence, mass of solute =0.01 g and mass of solvent =99.99gms.
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