Question

a solution is prepared by adding 2gm of a substance A to 18gm of water. calculate the mass percentage of solute​

Answer 1

Answer:

Answer

Mass percent of solute =

mass of solution

mass of solute

×100

Mass of solute = 2 g

Mass of solvent = 18 g

Mass of solution = 20 g

∴ Mass percent of solute =

20

2

×100

=10%

Hence, option B is correct.

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