Which of the following can be the value of “b” for Helium?(a) 23.71 x 10^-6 m^2/mol(b) 23.71 x 10^-6 m^3/mol(c) 23.71 x 10^-6 m^3 mol(d) 23.71 x 10^-6 m/molThis question was addressed to me by my college professor while I was bunking the class.My question is based upon States of Matter topic in portion States of Matter of Chemistry – Class 11

Which of the following can be the value of “b” for Helium?(a) 23.7

1.	Which of the following can be the value of “b” for Helium?(a) 23.71 x 10^-6 m^2/mol(b) 23.71 x 10^-6 m^3/mol(c) 23.71 x 10^-6 m^3 mol(d) 23.71 x 10^-6 m/molThis question was addressed to me by my college professor while I was bunking the class.My question is based upon States of Matter topic in portion States of Matter of Chemistry – Class 11
Answer» Correct answer is (b) 23.71 x 10^-6 m^3/MOL The best explanation: From van der Waal’s equation (P – an^2/V^2)(V – NB) = nRT, we have that UNITS of VOLUME and number of moles x b are same. So L = mol x b; units of b is L/mol otherwise can be written as m^3/mol.

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