Question

Which coefficient before potassium (K) balances this chemical equation?

__K + Cl2 2KCl
A. 2
B. 3
C. 4
D. 5

Answer 1

The coefficient before potassium (K) balances this chemical equation is 2.

Explanation:

_K +Cl₂ → 2KCl

K =1 ; Cl =2

K=1 × 2 = 2

Cl = 1 × 2 = 2

2 K +Cl₂ = 2 KCl

Step-by-step explanation:

Answer 2

The coefficient before potassium (K) balances this chemical equation is 2.

Step-by-step explanation:

_K +Cl₂ → 2KCl

K =1 ; Cl =2

K=1 × 2 = 2

Cl = 1 × 2 = 2

2 K +Cl₂ = 2 KCl