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7. Assume that you have collected 867 L of nitrogen gas at STP. What is the mass of the nitrogen gas?

Sagot :

Maacastrobridn

Answer:

1083.6 g

Explanation:

At STP, 1 mol of any given mass will occupy 22.4 L.

With the information above in mind we can calculate how many moles of nitrogen gas (N₂) are there in 867 L:

  • 867 L ÷ 22.4 L/mol = 38.7 mol

Finally we convert 38.7 moles of N₂ into grams, using its molar mass:

  • 38.7 mol * 28 g/mol = 1083.6 g
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