Questions
How many moles of electrons weigh one kilogram?
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By Expert Faculty of Sri Chaitanya
a
6.023 x 1023
b
19.108×1031
c
6.0239.108×1054
d
19.108×6.023×108
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Correct option is D
∵9.108×10−31kg kg of electrons contain= =16.023×1023mol ∴1 kg of electron will contain =16.023×1023×9.108×10−31 =16.023×9.108×108molSimilar Questions
Which of the following statements is/are correct?
EF=Empirical formuale, MF=Molecular formulae VD=Vapour density n=ratio of MF and EF
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