Question

Versene, a chelating agent having chemical
formula C2H4N2( C2H4O2Na)4.If each mole
of this compound could bind 1 mole of Ca2+,
then the rating of pure versene expressed
as mg of CaCO3, bound per g of chelating
agent is :
1) 100 mg 2) 163 mg 3) 200 mg 4) 263 mg​

Answer 1

Answer:

this answer is 1) 100 mg 2