You have two substances: A and B. Both have molecules of similar size and shape . Substance A has molecules that attract with London dispersion attraction, and substance B has molecules that attract with dipole-dipole attraction. Which one will have the higher boiling point ?

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AllanCasey12

17.01.2021

Chemistry

Oxygen is gas. It has 2 O atoms. Atomic mass of 1 O atom is 16 amu. So molecular mass of O2 = 2 x 16 = 32 amu. Now, mass of 6.023 x 10 ^23 = 32 amu. Therefore mass of 3.01 x 10^23 = 32 x 3.01 x 10^23 / 6.023 x 10 ^23 = 15.99 = ~16 gm

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