Is Matter Around Us Pure? · Class 9 · CBSE Science
Calculate the concentration in terms of mass by mass percentage of a solution containing 40text{ g} of common salt dissolved in 320text{ g} of water.
Practice question from Is Matter Around Us Pure? (Class 9 · CBSE Science), with the correct answer and a step-by-step solution.
medium · MCQ · Q-C2D2B5
Calculate the concentration in terms of mass by mass percentage of a solution containing of common salt dissolved in of water.
- A.11.1%Correct answer
- B.12.5%
- C.10.0%
- D.12.0%
Solution
Mass of solute (salt) = . Mass of solvent (water) = . Mass of solution = Mass of solute + Mass of solvent = . Mass percentage = (Mass of solute / Mass of solution) = .
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