Mole Concept and Some Basic Concepts of ChemistryeasyMCQ SINGLE

of reacts with of to form water. The amount of water formed is:Mole Concept and Some Basic Concepts of Chemistry Chemistry Question

Question

$2 \text{ g}$ of $H_2$ reacts with $16 \text{ g}$ of $O_2$ to form water. The amount of water formed is:

Answer: A

💡 Solution & Explanation

$\text{Moles } H_2 = 1$; $\text{Moles } O_2 = 0.5$. $2H_2 + O_2 \rightarrow 2H_2O$. $0.5 \text{ mol } O_2$ reacts with $1 \text{ mol } H_2$ to give $1 \text{ mol } H_2O = 18 \text{ g}$.

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