Answer:
The mass of the substance is 15 grams.
Explanation:
Mass of the substance = m
Volume of the substance = V = 100 mL
Density of the substance = d = 0.15 g/mL
The formula of density is ;
\(Density=\frac{Mass}{Volume}\)
\(d=\frac{m}{V}\)
\(0.15 g/mL=\frac{m}{100 mL}\)
\(m=0.15 g/mL\times 100 mL=15 g\)
The mass of the substance is 15 grams.