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Chemistry, 27.01.2020 21:31 mv603177

How many moles are in
(1) 8g of helium
(2)78g of zinc
(3)11.2 of oxygen gas at s. t.p.

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How many moles are in
(1) 8g of helium
(2)78g of zinc
(3)11.2 of oxygen gas at s....

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