Chemistry: 1. How many moles of magnesium is 3.01 x 10^23 atoms of magnesium?

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1. How many moles of magnesium is 3.01 x 10^23 atoms

kayleez31

17.03.2022

0.5 moles

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

$n = \frac{N}{L} \\$

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

$n = \frac{3.01 \times {10}^{23} }{6.02 \times {10}^{23} } = \frac{3.01}{6.02} = 0.5 \\$

We have the final answer as

0.5 moles

Hope this helps you

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