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Limiting Reagent or Reactant

How many mole...

Question

How many moles of $H_{2}$ will be needed to produce 6 moles of $H_{2} O$ when it reacts with excess of $O_{2}$ ?

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Solution

The correct option is C 6
The balanced chemical equation can be written as,
$2 H_{2}$ + $O_{2}$ $\to$ $2 H_{2} O$
2 mol 1 mol 2 mol
So, to form 6 moles of $H_{2} O$ , 6 moles of $H_{2}$ will be required.

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