Question

Calculate number of moles for 12.044×10^23 of helium atom

Answer 1

1 mole of helium= 6.02X10^23

X number of moles= 12.044X10^23

After cross multiplication; 12.044X10^23÷6.02X10^23 = 2

No of moles= 2.

Hope this was helpful.

Answer 2

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=> one mole of helium = 6.02×10²³

=> calculate mole is = 12.044×10²³

=> calculate mole ÷ one mole of helium

=> 12.044×10²³/6.02×10²³

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Answer is

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hope it's help

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