Answer to Question #91306 in General Chemistry for chloe

General Chemistry

Question #91306

In the reaction, Zn (s) + 2HCl (aq) → ZnCl2 (aq) + H2 (g), which substance is a gas?

Zn

HCl

ZnCl2

H2

Expert's answer

Hydrogen H2 is a gas.

Zn - solid

HCl - water solution

ZnCl2 - water solution

H2 - gas

Zn(s) + 2HCl(aq) → ZnCl2(aq) + H2(g)↑

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