Science HELP

According to the law of conservation of mass, what should the product side of this single replacement reaction look like?
A. H2ZnCl2
B. H2+Zn+Cl2
C. H2+ZnCl2
D. ZnCl2
Is the answer D?

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  1. 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.

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  2. Thanks can you help me with the question I just posted?

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  3. it is c.

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  4. Thanks Victoria got a 100%

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  5. its c

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  6. 1. A
    2. D
    3 . B
    4 . C
    Those are the complete answers! :)

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  7. @Daya Thanks!

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  8. Thanks Dayna!

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  9. A
    Those are right. I got a 100%

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