cecinava183pe0rrv cecinava183pe0rrv

01-02-2021
Chemistry

contestada

How many molecules are in 2.91 X 1022 atoms of He

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luceroyaresli7 luceroyaresli7

10-02-2021

Answer:

Explanation:

1 mole of oranges contains 6.02 x1023 oranges. 1 mole of helium gas contains 6.02 x1023 helium atoms. 1 mole of water contains 6.02 x1023 water molecules.

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25-02-2021

Answer:

25194.56

Explanation:

You'll need a scientifuc calculator

2.91*10^22*1 = 2.91E22

2.91E22-/6.02*10^23=25194.56

6.02*10^22 Is the Mole number

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