Grade 11Physical Chemistry
how many moles of h2o contain 1 kg of elctron?
how many moles of h2o contain 1 kg of elctron?
1 Answer
Gaurav
Number of electrons in one mole H2O = 10 mole
= 0 x 6.023 x 1023electrons = 6.023 x 1024electrons
Mass of one electron 9.1 x 10-31kg
Mass of6.023 x 1024electrons =6.023 x 1024x 9.1 x 10-31kg = 54.8 x 10-7kg
or
54.8 x 10-7kg = 1 mole H2O
1 kg = 1.82 x 105molecules
= 0 x 6.023 x 1023electrons = 6.023 x 1024electrons
Mass of one electron 9.1 x 10-31kg
Mass of6.023 x 1024electrons =6.023 x 1024x 9.1 x 10-31kg = 54.8 x 10-7kg
or
54.8 x 10-7kg = 1 mole H2O
1 kg = 1.82 x 105molecules
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