Question

2h2+o2 gives rise to 2h2o.in the given equation on using 4g of hydrogen, the amount of H2O formed is​

Answer 1

Answer: By reacting with halogens

Or diatomic elements

Explanation: Carbn can attain noble gas configuration by reacting with halogens or diatomic elements.

Halogens like Hydrogen, Chlorine, etc. And diatomic elements like Oxygen

Answer 2

The amount of $H_2O$ formed is 36 grams

Explanation:

According to avogadro's law, 1 mole of every substance occupies 22.4 L at STP and contains avogadro's number $6.023\times 10^{23}$ of particles.

To calculate the moles, we use the equation:

$\text{Number of moles}=\frac{\text{Given mass}}{\text {Molar mass}}$

$\text{Number of moles of hydrogen}=\frac{4g}{2g/mol}=2moles$

$2H_2+O_2\rightarrow 2H_2O$

According to stoichiometry:

2 moles of hydrogen give = 2 moles of water

mass of water =$moles\times {\text {molar mass}}=2mol\times 18g/mol=36g$

Thus the amount of $H_2O$ formed is 36 grams

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