SAT® Subject Test in Chemistry

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Moderate

Double Replacement

SATCHM-NZKLB6

What coefficients are required to balance the following equation?

$$ Fe_2(SO_4)_3+ AlPO_4→ FePO_4+ Al_2(SO_4)_3 $$

A

$1,1,1,1$

B

$2,4,4,2$

C

$3,4,4,3$

D

$3,4,2,1$

E

$1,2,2,1$