Question

seawater has 5.65×10∧-3 of dissolved oxygen in 1kg of water . concentration of O2 in parts per million

Answer 1

Answer:

5ppm

Explanation:

Given, 10^  3  g(1 kg) sample contains oxygen

5 x 10^ -3 g

10 ^6 per sample will contain oxygen

5 x 10^-3 / 10^3  x 10^6

5ppm

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