Asked by Callie

According to the law of conservation of mass, what should the product side of this single replacement reaction look like?
Zn+2HCl--->?
A. H2ZnCl2
B. H2+Zn+Cl2
C. H2+ZnCl2
D. ZnCl2
Is the answer D?
Answered by David
Zn(s) + 2HCl(aq) ---> ZnCl2(aq) + H2(g)

It is D, but don't forget to include the extra hydrogen atoms, or else the equation violates the law of conservation of mass. In this case, hydrogen gas (H2) is formed.

Answered by Callie
Thanks can you help me with the question I just posted?
Answered by Victoria
it is c.

Answered by Buttercup214
Thanks Victoria got a 100%
Answered by Juice
its c
Answered by Dayna Loves Momo
1. A
2. D
3 . B
4 . C
Those are the complete answers! :)
Answered by HorseTail_Gaming
@Daya Thanks!
Answered by not+really
Thanks Dayna!
Answered by Anonymous
A
D
B
C
Those are right. I got a 100%
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