MDCAT
Chemistry
2019
Chemistry · Stoichiometry
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Question
Which contains the highest percentage of nitrogen?
Options
- A
NO
- B
NO2
- C
N2O
- D
N2O5
Explanation
N2O contains the highest percentage of nitrogen i.e, 28/44 × 100 = 63.6 %
Percentage of N in NO is given as:
14/30 × 100 = 46.6%
Percentage of N in NO2 is:
14/46 × 100 = 30.4%
Percentage of N in N2O is :
28/44 × 100 = 63.6 %
Percentage of N in N2O5 is:
28/108 × 100 = 25.9%
Tagged under Chemistry · Stoichiometry · 2019