Answer:
To find the mass of acetone, we can use the formula:
Mass = Density x Volume
Given:
Density = 0.7857 g/ml
Volume = 28.50 ml
Mass = 0.7857 g/ml x 28.50 ml
Mass = 22.38345 g
Therefore, the mass of 28.50 ml of acetone is 22.38345 grams
Step-by-step explanation: