Respuesta :

2,1,2,1

2NaCl + F2 = 2Naf +Cl2

Na(2) Cl(2) F(2) = Na(2) F(2) Cl(2)

Answer:

Write 2 behind the NaCl so it becomes 2NaCl and 2 behind the NaF so it becomes 2NaF. The others take 1 each

Explanation: