Question

In an experiment, students were given an unknown mineral. The unknown mineral was placed in 150 ml of water. Once in the water, the volume went up to 165 ml. Then when the same object was dried, then massed on a balance. It had a mass of 225 grams. What is the density of the unknown mineral?
Note: You only have to fill in the numerical answer.

Answer 1

Answer:

15 g/mL

Explanation:

The density of a substance can be found by using the formula

$density = \frac{mass}{volume}$

But from the question

volume = final volume of water - initial volume of water

volume = 165 - 150 = 15 mL

We have

$density = \frac{225}{15} = 15$

We have the final answer as

15 g/mL

Hope this helps you