Versene a chelating agent having chemical formula c2h4n2.{c2h402Na4}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-
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Correct option is
D
263 mg
1 mol Ca
2+
=1 mole CaCO
3
= 100 g
Rating is mg of CaCO
3
needed per g chelating agent (molar mass = 380)=
380
100
= 263 mg
Explanation: please mark me as brilliant
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