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Stoichiometric Calculations

How much CO...

Question

How much $C O_{2}$ can be produced when $36$ grams of carbon reacts with $64$ grams of oxygen gas according to the following reaction?
$C (s) + O_{2} (g) \to C O_{2} (g)$

36 g r a m s

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64 g r a m s

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28 g r a m s

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132 g r a m s

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88 g r a m s

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Solution

The correct option is D $88 g r a m s$
Moles of $C$ $=$ 36/12 $=$ $3 m o l e s$
Moles of $O_{2}$ $=$ 64/32 $=$ $2 m o l e s$
so $O_{2}$ is limiting reagent.
Above reaction is balanced so
no. of $C O_{2}$ produced $=$ no. of $O_{2}$ consumed
so no. of $C O_{2}$ produced $=$ $2 m o l e s$
$=$ 2*44 $=$ $88 g r a m s$

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