Answer:
8.96 mol of HCl is produced.
Explanation:
CH₄ + 4Cl₂ → CCl₄ + 4HCl 80% yield
CCl₄ + 2HF → CCl₂F₂ + 2HCl 80% yield
The first reaction:
1 mol CH₄ ____ 4 mol HCl 1 mol CH₄ ____ 1 mol CCl₄
2 mol CH₄ ____ x 2 mol CH₄ ____ x
x = 8 mol HCl x = 2 mol HCl
The first reaction would lead to 8 mol of HCl, but as its yield is 80%, the total ammount of HCl produced is 0.8x8 = 6.4 mol HCl
The same applies for CCl₄: 0.8x2 = <u>1.6 mol CCl₄</u>
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The second reaction:
1 mol CCl₄ ____ 2 mol HCl
1.6 mol CH₄ ____ x
x = 3.2 mol HCl
The second reaction would lead to 3.2 mol of HCl, but as its yield is 80%, the total ammount of HCl produced is 0.8x3.2 = 2.56 mol HCl
Therefore, considering both reactions, 8.96 mol of HCl is produced.
9 gram of water contains 1 g of hydrogen and 8 grams of Oxygen
- 36g of water contains 32g of oxygen
Answer:
it is A
Explanation:
because the forward reation will give salt and water why the backward reaction will give base and acid
Copper oxide reacts with hydrochloric acid to produce copper chloride and water.
So the basic equation that illustrates this reaction is:
CuO + HCl ......> CuCl2 + H2O
Now, we need to balance this equation:
the number of copper and oxygen moles are balanced.
For each of hydrogen and chlorine, we have one mole as a reactant and two moles as product.
Therefore, to balance this, we will add an extra mole of HCl in the reactants.
Based on this, the final balanced equation would be:
CuO + 2HCl ................> CuCl2 + H2O
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