8
QuizMultiple Choice

Lab: Rate of Chemical Reactions — Unit test

Question 8 • HS Physical Science A - CR Summer School 2026

In the reaction C + O2 → CO2, 18 g of carbon react with oxygen to produce 72 g of carbon dioxide. What mass of oxygen would be needed in the reaction?

Answer
A
18 g
B
54 g
C
72 g
D
90 g
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