irelandm irelandm

10-01-2016
Chemistry

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How many molecules are in 0.25 mole of O2

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Willchemistry Willchemistry

10-01-2016

1 mole O2 -------------------- 6,02.10²³ molecules
0,25 mole O2 ---------------- x molecules

1 . x = 0,25 . 6,02.10²³

x = 1,50.10²³ molecules

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