which contains more molecules 70g of nitrogen or 70g of oxygen?
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Explanation:
One mole is equal to roughly 6.02 x 10 to the 23rd power. This many nitrogen atoms would weigh 14 grams. 70 grams of nitrogen would contain 3.01 x 10 to the 24th power nitrogen atoms. Since nitrogen forms diatomic molecules, this is equal to 1.505 x 10 to the 24th power nitrogen molecules.
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