Chemistry

Chemistry

Problem

An aquatic species needs atleast

4 \text{ mg/litre}

\text{O}_2

for their survival. The solubility of

\text{O}_2

in water at

273 \text{ K}

and

1 \text{ atm}

pressure is

2.21 \times 10^{-3} \text{ mol litre}^{-1}

. The partial pressure of

\text{O}_2

above water (in atmosphere at

273 \text{ K}

) needed for survival of species is : a.

0.56 \text{ atm}

b.

5.525 \times 10^{-3} \text{ atm}

c.

5.525 \text{ atm}

d.

0.056 \text{ atm}

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