Chemistry - Concentration Terms Question with Solution | TestHub

ChemistryConcentration TermsConcentration termEasy2 minPYQ_2020

ChemistryEasysingle choice

Equal mass of $C H_{4}$ and $H_{2}$ are mixed in an empty container at $25 ° C$ . The fraction of total pressure exerted by $H_{2}$ is

Options:

Answer:

Solution:

Assuming mass of $C H_{4}$ and $H_{2}$ are $1 g r a m$ of each
$M o l e_{C H_{4}} = \frac{1}{16}$ ; $M o l e_{H_{2}} = \frac{1}{2}$
$P_{H_{2}} =$ Mole fraction × P_total
total moles $= \frac{1}{16} + \frac{1}{12} = \frac{1 + 8}{16} = \frac{9}{16}$
mole fraction of $H_{2} = \frac{m o l e o f H_{2}}{t o t a l m o l e s} = \frac{1 / 2}{9 / 16} = \frac{8}{9}$ ${P_{H}}_{_{2}} = \frac{8}{9} \times P_{t o t a l}$

Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:Concentration TermsSubtopic:Concentration term

⏱ 2mℹ️ Source: PYQ_2020

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