1.

A solution contains 30 g of glucose, 20 g of salt in 500 ml of water. Calculate the mass percent of glucose and salt (density of water=1 g/ml).

Answer»

ANSWER:

glucose= 60%

salt= 40%

Explanation:

mass %= mass of solute/mass of solution X 100%

mass % of glucose= 30/30+20 X 100

                                = 30/50 X 100

                                = 60%

mass % of salt= 20/30+20 X 100

                                = 20/50 X 100

                                = 40%


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