Question

A student wants to determine if a

sample of tap water contains Mg+2.
Which of the following pieces of
information are not needed to do a
titration ?
A. The number of moles of Mg ions that will be
bound to 1 mole of EDTA or the EDTA like compound
used.
B. The density of magnesium.
C. The molarity of the EDTA or EDTA like chemical
used in the titration.

Answer 1

The best answer is B. The density of magnesium

Answer 2

The answer is B because it makes the most sense