Question 1
Nitric acid, HNO3, contains what percent hydrogen by mass?
◦
3.25%◦
20.0%◦
25.4%◦
1.60%◦
2.22%Question 2
Nitric oxide, NO, is made from the oxidation of NH3, and the reaction is represented by the equation:
4NH3 + 5O2→ 4NO + 6H2O
What mass of NO can be produced from 8.34 g of NH3?
◦
4.73 g NO◦
14.7 g NO◦
8.34 g NO◦
22.0 g NO◦
18.4 g NO