Mass of an electron: 9.11 x 10^-31 kg

[plstevens]

On a dry day, your body can accumulate static charge from walking across a carpet or from brushing your hair.
If your body develops a charge of -10 (microcoulombs), how many excess electrons has it acquired?

N=6.2*10^13 electrons



What is their collective mass?
Express your answer using two significant figures.

m=_____g

 

[plstevens]

help!

 

[chemisttree]

What is the mass of a single electron? Find it in a table. Multiply...