Answer to Question #300668 in General Chemistry for hsein hijazi

Question

find the concentration of calcium ion in (in ppm) in a 3.50-g pill that contains 40.5 mg of CA

Answer 1

$40.5mg= 0.0405g$

Concentration$=\frac{0.0405}{3.5}×10^6$

$=11571.4\>ppm$