Question

calculate the change in mass of an object if 800 electrons are given out to it. Given the mass of an electron is 9.1*10-³¹​

Answer 1

Answer:

change in mass = initial mass - final mass

=mass of electrons given

=8*10² * 9.1*10-³¹

= 72.8 * 10-²⁹

=7.3 * 10-²⁸

Answer 2

Answer:

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