Question 1
Consider two reactants, A and B. The molar mass of A is greater han the molar mass of B. You add equal masses of A and B together and let them react. Which of the following statements
must be true?
◦ Reactant A must be limiting
◦ Reactant A is the excess reactant.
◦ Reactant B must be limiting.
◦ None of the above choices must be true.
Question 2
Which one of the following contains 38.7% carbon by mass?
◦ C
2H
2◦ CO
2◦ CH
3NH
2◦ CH
4