8,700 B.C.
No clue who discovered it.
The atomic number of zinc is 30, which is the number of electrons and protons in an atom.
The moles of disodium edta used is calculated using the below formula
moles =molarity x volume in liters
molarity=0.050m
volume in liters = 22/1000=0.022 L
moles is therefore= 0.022 x0.050 =1.1 x10^-3 moles of disodium edta
Awnser:
Beans are good lol do u love beans or somthing?