Question

a solution contain 40 gm of common salt in 320 gm of water. calculate the concentration in terms of mass by mass percentage of the solution​

Answer 1

a) A solution contains 60 g of common salt in 240 g of water. Calculate the concentration in terms of mass by mass percentage of solution. (b) Give the principle …

Answer 2

hey mate here is your 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 %

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