holcombryleigh1 holcombryleigh1

05-10-2021
Chemistry

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How many atoms does 2.0 moles of He represent? Show work.

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DᴀʀᴋPᴀʀᴀᴅᴏx DᴀʀᴋPᴀʀᴀᴅᴏx

05-10-2021

1 mole of each substance = 6.022 × 10²³

so, 1 mole of He has 6.022 × 10²³ atoms

2 moles of He has 2 × 6.022 × 10²³ atoms

2 moles of He has 12.044 × 10²³ atoms of He

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