Question

What coefficients are necessary to balance this:

Mg + HCI H2 + MgCl2
O 1.2.2.1
1,2,1,1
2.4.2.2
1,1,1,1

Answer 1

1,2,1,1

Step-by-step explanation:

Mg + HCI ---> H2 + MgCl2

Solution,

1 Mg + 2 HCl ---> 1 H2 + 1 MgCl2

So the coefficients needed to balance in order are:-

1,2,1,1