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shannonderemer
26.06.2019 •
Chemistry
Given the following chemical reaction: 2 o2 + ch4 co2 + 2 h2o what mass of co2 is produced in the reaction of 4 moles of ch4 in excess o2? 6 c 12.01 carbon 1 h 1.01 hydrogen 8 o 16.00 oxygen a. 44 grams b. 64 grams c. 164 grams d. 176 grams
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Ответ:
D. 176 grams
Explanation:
As methane is a limiting reagent as it limits the formation of product and oxygen is the excess reagent as it is in excess.
According to the given balanced equation,
1 mole of methane produces 1 mole of![CO_2](/tpl/images/0021/0130/f2ddc.png)
Thus 4 moles of methane will produce 4 moles of![CO_2](/tpl/images/0021/0130/f2ddc.png)
Mass of![CO_2={\text {no of moles}}\times {\text {Molar mass}}](/tpl/images/0021/0130/c4c5c.png)
Mass of![CO_2=4\times 44g/mol= 176g](/tpl/images/0021/0130/b4e20.png)
Thus 176 g of
is produced in the reaction of 4 moles of
in excess
.
Ответ: