It should remain constant because of the law of conservation of mass and because the flask is sealed no mass will escape
He was working with electrons
Answer:
<h3>The answer is 7.47 g/cm³</h3>
Explanation:
The density of a substance can be found by using the formula

From the question
mass = 53.137 g
volume = 7.11 cm³
We have

We have the final answer as
<h3>7.47 g/cm³</h3>
Hope this helps you