Question

NaBr + CaF2 → NaF + CaBr2
What coefficients are needed to balance the chemical equation?
A) 1,1,1,1
B) 1,2,1,2
C) 1,2,2,1
D) 2,1,2,1

Answer 1

Answer:

2,1,2,1

Explanation:

let consider a,b,c,d as four coefficients and then we can compare all those in lhs and rhs