Question

How is the number of moles of an element determined from a known mass?
A. The known mass is multiplied by Avogadro's number to get moles.
B. The known mass is divided by Avogadro's number to get moles.
C. The atomic number is used as a conversion factor to convert
grams to moles.
D. The mass of 1 mole of the element is used as a conversion factor
to convert grams to moles.

Answer 1

Answer:

D

Explanation:

most logical explanation for this question.

Answer 2

The number of moles of an element determined from a known mass is the mass of 1 mole of the element is used as a conversion factor to convert grams to moles.

What is moles?

A mole is the quantity of a substance containing 6.023 x $10^{23}$ particles of that substance. The mole is just the SI unit for such a substance's quantity.

What is element?

Chemical reactions could not break down a component into simpler chemicals, hence it can be referred to as an element.

The number of moles of an element determined from a known mass is the mass of 1 mole of the element is used as a conversion factor to convert grams to moles.

Therefore, the correct answer will be option (D).

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