Answer:

Explanation
Density can be found by dividing the mass by the volume.

We know the iron sheet has a mass of 28.5 grams and the volume is 3.60 milliliters.

Substitute the values into the formula.

Divide.

Let's round to the nearest thousandth.
The 6 in the ten-thousandth tells us to round the 6 to a 7.

The density of iron is about <u>7.917 grams per milliliter.</u>
Answer:
the number of carbon and hydrogen atoms present in the molecule of Ethane that is it contains two carbon atoms and six hydrogen atoms
Explanation:
<span>Minerals are solid substances that occur naturally. They can be made from a single element (like gold or copper) or from a combination of elements.</span>