Question Detail

CHM 101 CHM 101 Past Questions Objective Question

Question

From the stoichiometry 1 mole of C₃H₈ reacts with 5 moles of O₂, how many moles of O₂ are needed for 2 moles of propane?
Options
A 2
B 5
C 10
Correct Answer
D 15
Correct Answer

Option C is the correct answer.

Detailed Explanation

The mole ratio of C₃H₈ to O₂ is 1:5. Therefore, for 2 moles of C₃H₈, the moles of O₂ required are 2 × 5 = 10 moles.

Hint

Multiply the number of moles of propane by the stoichiometric ratio (5).

Question Info