A solution containing 20gm of common salt in 180 gm of water. Calculate the concentration in mass by mass percentage of the solution.
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Answer:
Hi friend. Your answer is 20%.
Explanation:
Mass of solute(salt) = 20g
Mass of solvent (water) = 180g
Mass of solution = 20+180= 200g
Concentration = mass of solute/mass of solution x 100
=20 x 100/ 200 = 20/100 = 20%
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