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1
GATE CE 2022 Set 1
MCQ (Single Correct Answer)
+1
-0.33

Henry's law constant for transferring O2 from air into water, at room temperature, is 1.3 $${{mmol} \over {liter - atm}}$$. Given that the partial pressure of O2 in the atmosphere is 0.21 atm, the concentration of dissolved oxygen (mg/liter) in water in equilibrium with the atmosphere at room temperature is

(Consider the molecular weight of O2 as 32 g/mol)

A
8.7
B
0.8
C
198.1
D
0.2
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