feltonj1984oxmqnu feltonj1984oxmqnu
  • 23-10-2017
  • Chemistry
contestada

the molar mass of nitrogen gas is 28.0g/mol. A 100.0-g sample of air contains how many moles of nitrogen

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haneylia
haneylia haneylia
  • 01-05-2018
Simply divide the total grams by how many grams there are in a mole and you will have how many moles you have

100g x 1 mol N2 / 28 grams = 3.57 moles N2
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amovoce
amovoce amovoce
  • 25-06-2020

Answer:

2.8 moles of nitrogen.

Explanation:

Answer Link

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