Question

An electrically neutral coin of mass m = 3.0 g
contains equal amount of positive and negative charge.
Assuming, the coin is made up of pure copper,
what is the magnitude of the total positive (or
negative) charge on the coin ? Molar mass of copper
= 63.5 g mole' and atomic number of copper is
29.
[Ans. 1.32 x 10°C]​

Answer 1

i will can't understand the question