The density of benzene at 15 ∘c is 0.8787 g/ml. calculate the mass of 0.1200 l of benzene at this temperature.

The mass of 0.1200 L of benzene at 15° Celsius is 105.44 g.

FURTHER EXPLANATION

Density is a measure of how tightly packed the particles of a material are. The more tightly packed the particles, the greater the density and vice versa.  Density is also mostly defined as the amount of matter in a given volume or space. The amount of matter corresponds to its mass. Density is an intensive property of matter so it may be used to qualitatively identify an unknown substance.

To determine the mass of benzene, recall the definition of density:

Since the density and the volume of benzene are given, the mass can be calculated as follows:

Before the given volume and density can be plugged into the equation, volume of benzene must first be converted to milliliters.

Plugging into the equation for mass:

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Keywords:  density, unit conversion, benzene

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