Homework Help: Chemistry

Posted by Nilan on Saturday, January 19, 2013 at 1:08pm.

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

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

Chemistry - DrBob222, Saturday, January 19, 2013 at 2:13pm
30 mg/L is the same as 30 ppm.
Chemistry - Nilan, Saturday, January 19, 2013 at 2:18pm
how do you convert mg to moles?
Chemistry - DrBob222, Saturday, January 19, 2013 at 2:31pm
mols = grams/molar mass

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