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13 Dec 2019
78
Marks: 1
A compound consists of 30.4 % nitrogen and 69.4% oxygen by mass. The molar mass is 90 g/mol. What is the molecular formula of the compound?
Choose one answer.
A. NO B. NO2 C. N2O4 D. NO3 E. NO4 F. N2O2 G. NO5 H. N6O8
78
Marks: 1
A compound consists of 30.4 % nitrogen and 69.4% oxygen by mass. The molar mass is 90 g/mol. What is the molecular formula of the compound?
Choose one answer.
A. NO | ||
B. NO2 | ||
C. N2O4 | ||
D. NO3 | ||
E. NO4 | ||
F. N2O2 | ||
G. NO5 | ||
H. N6O8 |
Elin HesselLv2
17 Dec 2019