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Question

A solution is prepared by dissolving 10 g of salt in 100 g of water. Calculate the mass percentage of the solution.
  1. 9.09

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Solution

The correct option is A 9.09
Mass percentage is used to measure the concentration of a solution. A solution contains solute and solvent.

Mass percentage of a solution =Mass of the soluteMass of the solution×100

Given, mass of salt (solute) = 10 g
mass of water (solvent) = 100 g
The total amount of solution = 10 + 100 = 110 g

Mass percentage of a solution
= 10110×100=9.09%

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