11-11-2016
Chemistry

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How many moles of water, contain 2.0 x 10^22 molecules of water

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Willchemistry Willchemistry

11-11-2016

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

moles H2O = (2.0x10²²) x 1 / 6.02x10²³

moles H2O = 2.0x10²² / 6.02x10²³

=> 0.033 moles of H2O

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