Answer:
0.000577 Mol/L
Explanation:
We know that;
ppm = moles/L * molar mass * 1000
It then follows that;
moles/L = ppm/molar mass * 1000
ppm concentration = 63.3 ppm
molar mass = 329.3 g/mol
moles/L = 63.3 ppm/329.3 g/mol * 1000 * 3 moles of K^+
moles/L = 0.000577 Mol/L
