How does increasing the mass of a substance while keeping the volume constant affect its density?

Answer 1

You can't increase the mass of something and keep the volume constant. Density is an intensive property and so does NOT depend on the size or mass of the sample.

Answer 2

Hey Brayan,

So to start off, density is defined as mass/volume. If the number in the numerator keeps increasing while the number in the denominator is constant, the quotient (density) will increase. Here's an example, with some arbitrary numbers and units.

Density= 100 grams/20mL

Density= 5 grams/mL

Now let's see what happens if we keep the volume constant, but increase the mass.

Density= 200 grams/20mL

Density= 10grams/mL

When in doubt, always try to plug in some random numbers and see if you can find a trend.

Hope this helps!