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34.95 mole of phosphorus vapour weighs 0.0625gat 0.1 bar pressure. What is the molar mass of phosphorus ? |
Answer» <html><body><p></p>Solution :<a href="https://interviewquestions.tuteehub.com/tag/according-366619" style="font-weight:bold;" target="_blank" title="Click to know more about ACCORDING">ACCORDING</a> to ideal gas equation. <br/> `Pv= nRT` <br/> Now, `n=(W)/(M):. Pv=(WRT)/(M) or M=(WRT)/(PV)` <br/> Substituting the values of from data <br/> `M=(<a href="https://interviewquestions.tuteehub.com/tag/0-251616" style="font-weight:bold;" target="_blank" title="Click to know more about 0">0</a>*0625gxx0*83 "<a href="https://interviewquestions.tuteehub.com/tag/bar-892478" style="font-weight:bold;" target="_blank" title="Click to know more about BAR">BAR</a>" L <a href="https://interviewquestions.tuteehub.com/tag/k-527196" style="font-weight:bold;" target="_blank" title="Click to know more about K">K</a>^(-1) "mol"^(-1) xx819*15K)/(1"bar" xx34*04xx10^(-<a href="https://interviewquestions.tuteehub.com/tag/3-301577" style="font-weight:bold;" target="_blank" title="Click to know more about 3">3</a>)L)` <br/> `:. M=124*8 g "mol"^(-1)`</body></html> | |