Asked by Hannah

an empty flask as a mass of 123.4 grams. When the flask is filled with water, the mass is 211.6 grams. If 10.0 grams of zinc (d=7.14 g/cm3) are added to the flask filled with water (and the sides of the flask are dried from the displaced water) what is the new mass of the flask?
Answered by bobpursley
calculate the volume of water displaced

volume=masszinc/densityzinc

now calulate the mass of water displaced
mass=densitywater*volumewater

now
masstotal=211.6-masswaterdisplaced+10
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