math skills balancing chemical equations answer key
a \) | \( 2c \) | | O | \( 2b \) | \( 3c \) | Equate atoms: Fe: \( a = 2c \) O: \( 2b = 3c \) Choose \( c=1 \): \( a=2 \) \( 2b=3 \Rightarrow b=1.5 \) To avoid fractions, multiply all coefficients by 2: \( a=4 \), \( b=3 \), \( c