alphawolf1
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How does the law of conservation of mass apply to this reaction: Mg + 2HCl + H2 + MgCl2?
A) the law of conservation of mass has already been applied.
B) only the hydrogen needs to be balanced.
C) hydrogen and chlorine needs to be balanced.
D) the equation needs to be balanced.

How does the law of conservation of mass apply to this reaction Mg 2HCl H2 MgCl2 A the law of conservation of mass has already been applied B only the hydrogen class=

Respuesta :

ujalakhan18

Answer:

A

Explanation:

The law of conservation of mass has already been applied

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