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vladimir1956 [14]
3 years ago
11

if you begin with 210.3 g of Cl2, how many grams of HCl will you end up with? CH4 + 3Cl2 → CHCl3 + 3HCl *

Chemistry
1 answer:
tatyana61 [14]3 years ago
7 0

Answer:

108.04g

Explanation:

Looking at the balanced chemical equation theoretically, we can see that 3 moles of chlorine yielded 3 moles of HCl. This means that they have equal mole ratio.

Now let’s get the actual reactive moles. The number of moles is obtained by dividing the mass by the molar mass.

The molecular mass of chlorine gas is (2 * 35.5) = 72g/mol

The number of moles is thus 210.3/71 = 2.96 moles

Since the number of moles are equal, the number of moles of HCl produced too is 2.96 moles.

Now to get the mass of HCl produced, we multiply the number of moles by the molar mass of HCl. The molar mass of HCl is 36.5g/mol

The mass is thus 2.96 * 36.5 = 108.04g

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Reduction reaction : It is the reaction in which a substance gains electrons. In this oxidation state decreases.

The given unbalanced chemical reaction is,

Fe(s)+I^-(aq)\rightarrow I_2(s)+Fe^{3+}(aq)

Half reactions of oxidation and reduction are :

Oxidation : Fe(s)\rightarrow Fe^{3+}+3e^-        ......(1)

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In order to balance the electrons, we multiply equation 1 by 2 and equation 2 by 3, we get:

Oxidation : 2Fe(s)\rightarrow 2Fe^{3+}+6e^-        ......(1)

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2Fe(s)+6I^-(aq)\rightarrow 3I_2(s)+2Fe^{3+}(aq)

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