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02-01-2022
Chemistry

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How many moles of NaCl are there in 3.90 x 10^24 particles?

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02-01-2022

Answer:

6.48 moles

Explanation:

One mole of a substance is equal to 6.022*10^23 particles which is called Avagadro's number.

6.022*10^23 = 1 mole

3.90*10^24 = x moles

x = (3.90*10^24*1) / (6.022*10^23) = 6.48 moles

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