B.
2, 1, 2, 1
Examine the unbalanced chemical equation.
NaCl + F2 → NaF + Cl2
What coefficients should be placed in each blank in order to balance the equation?
A.
1, 2, 1, 2
B.
2, 1, 2, 1
C.
2, 2, 2, 2
D.
4, 2, 1, 2
1 answer