Answer:
Mass of acetone = 13.246902 g
Explanation:
Density \(=0.7857\ g/cm^3\)
\(Density = \frac{Mass}{Volume}\)
Mass = Density × Volume
Volume = 16.86 mL
1 mL = \(1\ cm^3\)
Volume = 16.86 mL = 16.86 cm^3
Mass = Density × Volume
= \(0.7857\ g/cm^3 \times 16.86\ cm^3 = 13.246902\ g\)