TS EAMCET · Chemistry · States of Matter
The mass percentage composition of dry air at the sea level is approximately \(\mathrm{N}_2: 63 \%\), \(\mathrm{O}_2: 16 \%, \mathrm{Kr}: 21 \%\). If the total pressure is \(p\) atm, calculate the partial pressure of each component respectively are (Molecular weights \(\mathrm{N}_2: 28, \mathrm{O}_2: 32, \mathrm{Kr}: 84\) )
- A \(2.25 p \mathrm{~atm}, 0.5 p \mathrm{~atm}\) and \(0.25 p \mathrm{~atm}\)
- B \(0.75 p\) atm, \(0.17 p \mathrm{~atm}\) and \(0.08 p \mathrm{~atm}\)
- C \(0.63 p \mathrm{~atm}, 0.16 p \mathrm{~atm}\) and \(0.21 p \mathrm{~atm}\)
- D \(0.5 p \mathrm{~atm}, 0.3 p \mathrm{~atm}\) and \(0.2 p \mathrm{~atm}\)
Answer & Solution
Correct Answer
(A) \(2.25 p \mathrm{~atm}, 0.5 p \mathrm{~atm}\) and \(0.25 p \mathrm{~atm}\)
Step-by-step Solution
Detailed explanation
Given, \(\mathrm{N}_2=63 \%\left(\%\right.\) mass of \(\left.\mathrm{N}_2\right)\) \(\begin{aligned} & \mathrm{O}_2=16 \%\left(\% \text { mass of } \mathrm{O}_2\right) \\ & \mathrm{Kr}=21 \%(\% \text { mass of } \mathrm{Kr}) \\ & \text { Total pressure }(p)=?\end{aligned}\)…
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