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OpenStudy (anonymous):
What would be the concentration of oxygen gas in water (mol/L), if water contains 9.75 ppm of oxygen gas?
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OpenStudy (priyar):
ppm can also be expressed as mg/L
OpenStudy (priyar):
So,here 9.75 mg is present in 1L
OpenStudy (priyar):
now calculate : 9.75=how many moles?? (molecular wt of oxygen gas is 32)..thats it!you'll have ur answer..
OpenStudy (priyar):
if u have any doubt in this..let me know..
OpenStudy (anonymous):
so you just divide to molar mass by the ppm amount?
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