Question

a solution contains 40 gram of common salt in 320 gram of water calculate the concentration in a term of mass by mass percentage of the solution??​

Answer 1

Answer:

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Explanation:

Mass (solute) = 40 gram

Mass (solvent) = 320 gram

Mass (solution) = Mass (solute) + Mass (solvent)

                         = 40 gram + 320 gram

                         = 360 gram

∴ Mass % (solution) = [ Mass (solute)/Mass (solvent)] × 100

                                 = [40/360] × 100

                                 = 11.1 %

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Answer 2

Answer:

Mass (solute) = 40 gram

Mass (solvent) = 320 gram

Mass (solution) = Mass (solute) + Mass (solvent)

                         = 40 gram + 320 gram

                         = 360 gram

∴ Mass % (solution) = [ Mass (solute)/Mass (solvent)] × 100

                                 = [40/360] × 100

                                 = 11.1 %

Explanation:

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