MCAT Chemistry Question — Nitrous Oxide
- Apr 21, 2017
- MCAT Question of the Day
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A. 160, correct. 2 moles of NH4NO3 yields 4 moles of H2O and 2 moles of N2O, for 6 moles of mixed product gas occupying 134.4 L at STP.
B. 240, incorrect, This answer results from using the unbalanced equation as written.
C. 960, incorrect, This answer results from using the unbalanced equation and calculating the mass of 12 moles NH4NO3 for 6 moles N2O product rather than mixed gas.
D. 1440, incorrect, This answer results from using the correct balanced equation and calculating the mass of 18 moles of NH4NO3 for 6 moles of N2O product rather than mixed gas.
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