Answered

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How many moles are in 9.83 x 1021 atoms of Na

Sagot :

Stephen46

Answer:

0.016 moles

Explanation:

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

[tex]n = \frac{N}{L} \\[/tex]

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

We have

[tex]n = \frac{9.83 \times {10}^{21} }{6.02 \times {10}^{23} } \\ = 0.01632...[/tex]

We have the final answer as

0.016 moles

Hope this helps you

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