Find the mass of enough electrons to make up 7.8 C of charge. Each electron has a charge of 1.6x10^-19 C and a mass of 9.1x10^-31 kg. Express your answer in 10^-11 kg. For example, if your calculator says 6.23x10^-11 kg, then just put 6.23 into D2L. By the way, this part is called the 'mantissa'.