hanin181141 hanin181141

13-09-2021
Chemistry

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How many moles are in 12×10¹¹ atoms of He

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periodcup02 periodcup02

13-09-2021

1,200,000,000,000

Multiple 10 to the power of 11

10x10x10x10x10x10x10x10x10x10x10=100,000,000,000

Then multiply by 12

Answer Link

Аноним Аноним

13-09-2021

Answer:

about 2 moles

Explanation:

the real answer not rounded is 1.9926466357524e-12

Answer Link

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