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Given:

[tex]\[
CH_4 + 2 O_2 \rightarrow CO_2 + 2 H_2O
\][/tex]

In the chemical reaction, if 10 moles of [tex]\(H_2O\)[/tex] are produced, [tex]\(\square\)[/tex] moles of [tex]\(CO_2\)[/tex] are also produced.


Sagot :

To determine the number of moles of [tex]\( CO_2 \)[/tex] produced from the given moles of [tex]\( H_2O \)[/tex], we need to refer to the stoichiometry of the chemical reaction:

[tex]\[ CH_4 + 2 O_2 \rightarrow CO_2 + 2 H_2O \][/tex]

The stoichiometric coefficients from the balanced equation tell us that for every 1 mole of [tex]\( CO_2 \)[/tex] produced, 2 moles of [tex]\( H_2O \)[/tex] are produced. Therefore, the ratio of [tex]\( H_2O \)[/tex] to [tex]\( CO_2 \)[/tex] is 2:1.

If 10 moles of [tex]\( H_2O \)[/tex] are produced, we can set up the following proportion based on the stoichiometric ratio:

[tex]\[ \frac{H_2O}{CO_2} = \frac{2}{1} \][/tex]

Since we have 10 moles of [tex]\( H_2O \)[/tex]:

[tex]\[ \frac{10}{CO_2} = \frac{2}{1} \][/tex]

Solving for [tex]\( CO_2 \)[/tex]:

[tex]\[ CO_2 = \frac{10}{2} = 5 \, \text{moles} \][/tex]

Thus, 5 moles of [tex]\( CO_2 \)[/tex] are produced when 10 moles of [tex]\( H_2O \)[/tex] are produced.

The correct answer is:

[tex]\[ 5 \][/tex]