Answer to Question #117951 in Physical Chemistry for Sai Krishna sahu

Question

Calculate the conc. Of ca2+ in ppm if 2mg ca2+ are present in 500 g solution?

Answer 1

1 mg (0.001g) in 1000 ml is one ppm. 

2 mg Ca2+ in 500 g (500 mL) is:

2 mg / 0.5 L = 4 ppm