Question

A litre of sea water weighing about 1.05 kg contains 5 mg of dissolved oxygen (O2 ). Express the concentration of dissolved oxygen in ppm.​

Answer 1

Answer:

Explanation:

Given, 10 3 g(1 kg) sample contains oxygen=5×10 −3 g

∴10 6 g sample will contain oxygen= 10 3 g = 5×10 −3 g ×10 6 g

=5 ppm

Answer 2

Explanation:

hope that helps u

Mark my answer in brainlist please