How many moles are there in 8.50 X 1024 molecules of sodium sulfate, Na2SO3?

Explanation:

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

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

We have the final answer as

Hope this helps you

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the answers would be

the first one and the second one