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SAT® Subject Test in Chemistry

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Difficult

Combustion of Propane

SATCHM-ANVBVF

What coefficient is needed for $H_2O$ to balance the following equation?

$$C_3H_8+ O_2→ CO_2+ H_2O$$

A

$0$

B

$1$

C

$2$

D

$3$

E

$4$