How many moles of water are made from the complete reaction of 2.2 moles of oxygen gas with hydrogen gas in the reaction $2 H_{2} + O_{2} \to 2 H_{2} O$ $2H_2 + O_2 -> 2H_2O$ ?

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Answer 1 · 2016-04-11T18:05:15

$4.4 m o l H_{2} O$ $4.4molH_2O$

The equation says that for every $1 O_{2}$ $1O_2$ , there are $2 H_{2} O$ $2H_2O$ produced.

Therefore, if you have $2.2 O_{2}$ $2.2O_2$ , you must have $2.2 \cdot 2 H_{2} O$ $2.2 * 2H_2O$ , or $4.4$ $4.4$ moles of $H_{2} O$ $H_2O$ .

How many moles of water are made from the complete reaction of 2.2 moles of oxygen gas with hydrogen gas in the reaction 2H2+O2→2H2O2H_2 + O_2 -> 2H_2O?