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How many atoms of helium are present in 0.366g He?

Sagot :

luceroyaresli7

Answer:

Explanation:

mass of one atom of helium-4 is one-third the mass of one atom of carbon-12. You can find ... mass He. 1 mole He. 4.00 g He. -= 0.366 g He. 0.0914 mothé x 1 motte. Helium ... How many moles of oxygen atoms are present in 5.00 mol diphos-.

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