bkarkinen1 bkarkinen1
  • 01-05-2020
  • Chemistry
contestada

how many liters of NH3, at STP, will react with 16.2 g O2 to form NO2 and water

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melanylfortuna
melanylfortuna melanylfortuna
  • 01-05-2020

Answer:

Explanation:

use molar mass to finf moles of O2:

5.3 g O2  32.0 g/mol = 0.1656 moles of O2

use this ratio: 4NH3(g) + 7O2(g) --> , to find moles of NH3:

0.1656 mol O2  4 mole NH3 / 7 mol O2 = 0.09464 moles of NH3

using the "molar volume " ratio for gases  STP, find the litres of NH3:

0.09464 moles NH3  22.4 litres / mole STP = 2.12 litres

answer: 2.1 litres

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