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38 grams oxygen gas (1 mole O2/32 grams)(6.022 X 1023/1 mole O2)

= 7.2 X 1023 molecules of oxygen gas

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12y ago
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5mo ago

To find the number of molecules in 38 grams of oxygen gas, you would first calculate the number of moles of oxygen using the molar mass of oxygen (32 g/mol). Then, you would use Avogadro's number (6.022 x 10^23 molecules/mol) to convert moles to molecules. The final answer would be approximately 3.01 x 10^23 molecules.

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Q: How many molecules in 38 grams of oxygen gas?
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