Asked by linda
a student adds 3 spoons of salt to 100 ml of water. the solution is clear, with nothing on the bottom of the cup. one spoon of the slat ha a mass of 5g. what is the mass of the solution? after the water evaporates, what is the mass of the solid remaining in the cup?
Answers
Answered by
DrBob222
If the density of the water is 1.00 g/mL, then 100 mL has a mass of 100 g. That + 3*5 = 15 g salt added make the solution's mass = 115 g. When all of the water is evaporated the mass of the salt remaining is 15 g.
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