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35 g of urea are dissolved in 320 g of water. Calculate the mass by mass percentage of the solution.
of a solute in 200 nf water. What is the concentration of the solution?​

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Chemistry

Some Basic Concepts of Chemistry

Stoichiometry and Stoichiometric Calculations

A solution contains 40 g of...

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Asked on December 26, 2019 by

Chaahat Fernandez

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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ANSWER

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%