Question

The equation shows a chemical reaction.

Mg + __HCl → MgCl2 + H2

What coefficient is needed to balance the equation?

A.
6

B.
2

C.
3

D.
1

Answer 1

b) 2

hope it helps you ✌ friend

Answer 2

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The coefficient is needed to balance the equation is b) 2.

Mg + 2HCl → MgCl2 + H2