Answer:
4 x 10 5
Explanation:
Zn + 2HCl → ZnCl2 + H2
Zn + HCl → ZnCl2 +
The complete equation is given below:
Zn+ HCl → ZnCl2 + H2
Now we can balance the equation by doing the following:
There are 2 atoms of Cl and 2 atoms of H on the left. This can be balanced by putting 2 in front of HCl as shown below:
(A) Mg²⁺ and O²⁻
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