Answer:

Explanation:
We are asked to calculate the density of gold. The density of a substance is its mass per unit volume. It is calculated using the following formula.

The mass of the sample is 96.5 grams. The volume of the sample is 5.00 cubic centimeters.
Substitute the values into the formula.

Divide.

The density of gold is <u>19.3 grams per cubic centimeter.</u>
(C) NaNO3
Cant be A,B,orD not suitable
use law of conservation mass .
In a chemical reaction mass is neither created nor destroyed.
Hence Mass of reactants=Mass of products.
Mass of Product:-

