Question

What mass of salt solution is made when 9 gram of salt is dissolved in 50g of water ? Explain how you worked out your answer

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Class 11

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>>Some Basic Concepts of Chemistry

>>Stoichiometry and Stoichiometric Calculations

>>A solution contains 40 g of common salt

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A solution contains 40 g of common salt in 320 g of water. Calculate the concentration in terms of mass by mass percentage of the solution.

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Solution

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Mas of common salt (solute)=40 g

Mass of water (soluted) =320 g

mass of solution=320+40

=360 g

concentration of solution=

massofsolution

M

mass

ofsolute

×100

360

40

×100=11.11%

Hence, the concentration of the solution is 11.11%