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Mg + __HCl  → MgCl2 + H2

What coefficient is needed to balance the equation?

User Cooljohny
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2 Answers

1 vote

Answer:

The coefficient of the blank is 2

Step-by-step explanation:

The balanced equation is Mg + 2HCl -> MgCl2 + H2 .

User Bradley Moore
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5 votes

Answer:

Mg + 2HCl  → MgCl2 + H2

Step-by-step explanation:

User Brian Brownton
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