An unbalanced chemical equation is shown below.
Pb(NO3)2 +
PbC104 +
K2CrO4 →
KNO3
Which coefficients are needed to balance this
equation?
A 2, 4, 4, 6
B. 2, 4, 4, 3
C. 1, 1, 1, 2
D. 1. 6, 6, 2
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