Question

A 36.4 mL sample of an unknown liquid has a mass of 32.65 g. The sample is added to a volume of water at room temperature, but the water and the unknown liquid do not mix. What will be observed

Answer 1

Since the density of the liquid is less than that of water, the liquid will float on top of water.

What would happen when the unknown liquid is added to water?

The density of water is 1 g/mL

The density of the liquid is first determined.

• Density = mass/volume

From the data provided:

mass of liquid = 32.65 g

volume = 36.4 mL

Density of the liquid = 32.65/36.4

Density of the liquid = 0.89 g/mL

Since, the density of the liquid is less than that of water, the liquid will float on top of water.

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