The dissolved Ca++ concentration in a river is approximately 30 mg/L.

Question

This concentration is equivalent to ___ ppm
or ___ mol/L,
or ___ cmol/L.
It would provide ___ cmolc+/L.
(c+ is a subscript)

Answer 1

30 mg/L is the same as 30 ppm.

Answer 2

how do you convert mg to moles?

Answer 3

mols = grams/molar mass