Question

1. How many moles of nitrogen are there in 4.3 × 1023 molecules?​

Answer 1

0.714 moles

Step-by-step explanation:

whenever you see × 10^23 molecules

its an Avogadro's number question

Avogadro's number is 6.02214076×10²³

1 mole is 6.02214076×10²³ molecules

4.3 × 10²³ molecules divided by 6.02214076×10²³ molecules per mole =

4.3 × 10²³ ÷ 6.02214076×10²³ =

0.71403179888 moles

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