Question #14e38

1 Answer
Mar 28, 2015

ZnCl₂(aq) + H₂S(g) → ZnS(s) +2HCl(aq)

Your equation is

ZnCl₂ + H₂S → ?

This looks like a possible double replacement reaction.

The general equation for a double replacement reaction is

AB + CD → AD + CB

If we follow this pattern, the equation would be

ZnCl₂ + H₂S → ZnS + HCl

If we balance the equation and add states, we get

ZnCl₂(aq) + H₂S(g) → ZnS(s) +2HCl(aq)