1.

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

Answer»

olute) = 40 gramMass (solvent) = 320 gramMass (solution) = MASS (solute) + Mass (solvent)                         = 40 GRAM + 320 gram                         = 360 gram∴ Mass % (solution) = [ Mass (solute)/Mass (solvent)] × 100                                 = [40/360] × 100                                 = 11.1 %hope it helps YOUPLZ mark as BRAINLIEST if U feel so :)



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