QJEEM20Ch01b9: JEE Main 2020 Chemistry - Class 11 JEEM20Ch01b9 Solution: 10.30 mg of O 2 is dissolved into a liter of sea water of…

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10.30 mg of O₂ is dissolved into a liter of sea water of density 1.03 g/mL. The concentration of O₂ in ppm is__________.

Accepted Answer

1030 gm of sea water contains = 10.3 × 10^–3 gm

10⁶ gm of sea water contains =

\frac{10.3 \times 10^{- 3}}{1030} \times 10^{6}

= 10 ppm

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