The mass of the solid is calculated to be 118.28g.
How to calculate mass?
The mass of a substance can be calculated using the following formula:
Density = mass ÷ volume
According to this question, a liquid solvent is added to a flask containing an insoluble solid. The total volume of the solid and liquid together is 77.0 mL. The liquid solvent has a mass of 29.4 g and a density of 0.865 g/mL.
First, we calculate the volume of the liquid as follows:
0.865 = 29.4/volume
volume = 29.4/0.865
volume of the liquid solvent = 33.99mL
Volume of the solid = 77.0mL - 33.99mL = 43.01mL
Mass of the solid = 43.01mL × 2.75 g/mL
Mass of the solid = 118.28g
Therefore, the mass of the solid is 118.28g
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