Question

26 grams of urea was dissolved in 250 grams of water calculate the percentage by mass of urea in yhe solution

Answer 1

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11th

Chemistry

Some Basic Concepts of Chemistry

Stoichiometry and Stoichiometric Calculations

A solution contains 100 g o...

CHEMISTRY

A solution contains 100 g of urea in 400 g of water. Calculate the concentration in terms of mass by mass percentage of the solution.

A

20

B

25

C

10

D

80

MEDIUM

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ANSWER

Mass of solute = 100 g

Mass of solvent = 400 g

Mass of solution = 400 + 100 = 500 g

Mass % of solution =Mass of solutionMass of solute×100

=500100×100

=20%