Question

When a solution is prepared by adding 4 grams of substance to A 36
grams of water, calculate the mass percentage of solute.

Answer 1

Answer:

Mass by mass % = mass of solute / mass of solution    x   100

                            = 4/40  x 100

                            = 10%

Mass by mass % = 10%

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Answer 2

Answer:

sorry I can't do this question