How many moles of zinc will react with 12 moles of HCl? Zn (s) + 2 HCl (aq) yields ZnCl2 (aq) + H2 (g)2 marks6122410
Question
How many moles of zinc will react with 12 moles of HCl?
Zn (s) + 2 HCl (aq) yields ZnCl2 (aq) + H2 (g)
2 marks
6122410
Solution
From the balanced chemical equation, we can see that 1 mole of zinc (Zn) reacts with 2 moles of hydrochloric acid (HCl).
This is a 1:2 ratio.
So, if we have 12 moles of HCl, we can use this ratio to find out how many moles of Zn will react with it.
Divide the number of HCl moles by 2 to find the number of Zn moles:
12 moles HCl ÷ 2 = 6 moles Zn
So, 6 moles of zinc will react with 12 moles of HCl.
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