Answer:
76
Explanation:
I think 76 should be the correct answer because 152÷2=76
Answer:
Zn(s) produces H₂ when is added to a strong acid solution
Explanation:
Look at this example:
2Zn (s) + 2HCl (aq) → 2ZnCl (aq) + H₂ (g)
It is a redox reaction, where the zinc is oxidized and the H, reducted.
Zn → Zn⁺ + 1e⁻
2H⁺ + 1e⁻ → H₂
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