Question

A liquid mixture has 12.6 parts per thousand of MgCl2 dissolved.
Calculate the [Cl-] in ppt?

Im stuck plz help!

Answer 1

there are two Cl- for each magnesium chloride unit. 26.2 ppt for chloride ions

Answer 2

Could you explain me, how u reached to that answer?

Answer 3

I think Mr. Pursley hit a 6 instead of a 5 and meant 2*12.6 = 25.2 ppt Cl^-.