mg react with hcl to give hydrogen what is minimum weight of hcl required to produce 12g hydrogen
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Answer:
438 g of HCl
Explanation:
A.T.Q.
Magnesium (Mg) reacts with Hydrochloric acid (HCl) to produce Magnesium chloride ( and Hydrogen gas (
Therefore,
The balanced chemical reaction is :
→
From this reaction, we get the information that,
1 mol of is produced by 2 mol of HCl
- Molar mass of = 2 g/mol
- Molar mass of HCl = 36.5 g/mol
In terms of weight, we can write that,
→ 2 g of is produced by (2 × 36.5) g of HCl
→ 1 g of is produced by [ (2 × 36.5) / 2 ] g of HCl
→ 1 g of is produced by 36.5 g of HCl
Now,
Minimum weight of HCl required to produce 12 g of = (36.5 × 12) g of HCl
= 438 g of HCl
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