WhitNizzle WhitNizzle

25-09-2016
Chemistry

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how many moles of water H2O contain 2.0 x 10^22 molecules of water? express the quantity in moles to two significant figures

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Willchemistry Willchemistry

07-10-2016

1 mole ------------- 6.02x10²³ molecules
?? moles ---------- 2.0x10²² molecules

( 2.0 x 10²² ) x 1 / 6.02x10²³ => 0.0332 moles of water

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