What mass of protons would be required to just neutralize the charge of 1.0 g of electrons?

Mass of proton is 1837 times the mass of an electron such as:

Mass of proton = 1837 mass of electron

or

one electron = 1/1837 the proton’s mass

then  

grams of protons.

grams protons

Thus, 1.8 x 10^3 grams mass of proton is required to neutralize 1 g electron

answer; natural resources;