how many moles of electron weigh one kilogram?

Asked by vikasg13.hardware | 11th Nov, 2017, 10:49: AM

Expert Answer:

M a s s space o f space 1 space electron space equals 9.10938 cross times 10 to the power of negative 31 end exponent space Kg
One space mole space of space electron space is space 6.022 cross times 10 to the power of 23 space straight e to the power of minus

Number space of space electrons space in space 1 space Kg space i s space space space
space space space space space space space space space fraction numerator 1 over denominator 9.10938 cross times 10 to the power of negative 31 end exponent end fraction
space space space space space equals space 1.0977 cross times 10 to the power of 30 space straight e to the power of minus
space

space Number space of space mole space of space electrons space in space 1 space Kg space is space space

space space space space space space space space space fraction numerator 1.0977 cross times 10 to the power of 30 over denominator space 6.022 cross times 10 to the power of 23 end fraction
space space space equals space 1.822 cross times 10 to the power of 6 space end exponent space moles space of space electrons

Answered by Varsha | 11th Nov, 2017, 12:34: PM