Answer:
So they have the right answers
Explanation:
I know
Here is the answer of the given question
Answer: 13.31 moles.
Explanation: So take 452 grams of Argon and multiply by the molar mass of Argon. Your units will cancel out, leaving you with moles of Argon.
Answer:

Explanation:
The formula of density is:

If the formula is rearranged for volume, it becomes:

The mass of the platinum is 38.5 grams.
The density is 21.5 grams per cubic centimeter.

Substitute the values into the formula.

Divide. Note that the grams (g) will cancel each other out.

Round to 2 decimal places (hundredth place). The 0 in the thousandth place tells us to leave the 9 in the hundredth place.

The volume is about <u>1.79 cubic centimeters.</u>
Answer:
1500 cubic centimeters or cm^3
Explanation:
1 liter is 1000 cm^3
move the decimal 3 places to right