Question

What would be the concentration of oxygen gas in water (mol/L), if water contains 9.75 ppm of oxygen gas?

Answer 1

ppm can also be expressed as mg/L

Answer 2

So,here 9.75 mg is present in 1L

Answer 3

now calculate : 9.75=how many moles?? (molecular wt of oxygen gas is 32)..thats it!you'll have ur answer..

Answer 4

if u have any doubt in this..let me know..

Answer 5

so you just divide to molar mass by the ppm amount?