leisamlani leisamlani

14-06-2017
Chemistry

contestada

how many moles of oxygen (o) are in a sample of 3.98x10^23 atoms

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LeChatNoir LeChatNoir

14-06-2017

1 mol ------- 6,02·10²³
X ------------ 3,98·10²³
X = 3,98·10²³/6,02·10²³
X= 0,6611 moles of oxygen
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