Question

What volume of water has the same mass as 1.9 l of gasoline??

Answer 1

1) density (gasoline) = 719 kg/m^3
2) mass 1.9l of gasoline = volume times density = 0.0019 * 719 = 1.3661 kg
3) 1.3661 kg of water would have volume 1.3661 Liters.
Answer: 1.3661L or 0.0013661 m^3 or 1.3*10^-3 m^3

Answer 2

the same mass will be 0.19 or 1.9