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how many moles of h 2 o contain 1 kg of elctron?

how many moles of h2o contain 1 kg of elctron?
 

Grade:11

1 Answers

Gaurav
askIITians Faculty 164 Points
8 years ago
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

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