How many moles of water, H2O, contain 2.0×10^22 molecules of water?

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25-03-2016
Chemistry

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How many moles of water, H2O, contain 2.0×10^22 molecules of water?

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Willchemistry Willchemistry · Answer 1 · 2016-03-25T05:40:13+01:00

Willchemistry Willchemistry

25-03-2016

1 mol H₂O ----------- 6.02x10²³ molecules
? mol H₂O --------- 2.0x10²² molecules

Number of moles = Number of molecules / Avogadro's number

moles = 2.0x10²² * 1 / 6.02x10²³

= 2.0x10²² / 6.02x10²³

= 0.3322 moles

hope this helps!

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