One litre sea water (d = 1.03g/`cm^3` ) contains 10.3 mg `O_2` gas. Determine concentration of `O_2` in ppm.

One kilogram of a sea water sample contains 6 mg of dissolved O_(2) . The concentration of O_(2) in the sample in ppm is

A litre of sea water (which weighs 1030 g) contains 6xx10^(-3) g of dissolved oxygen . The concentration of dissolved oxygen is p'pm is

A solution with mass of 1.00 kg contains 3 mg of solute. Express this concentration in ppm and ppb.

A sample ofsea water contains 5xx10^(-3)g of dissolved oxygen in 1 kg of the sample. The concentration of O_(2) in that sea water sample in ppm is

A litre of public water contains 5 mg of chlorine. The concentration of chlorine in ppm is

One tonne of air contains 2 xx 10^(-3) g of carbon as smoke. Calculate the concentration of carbon in ppm in air.

A litre of sea water weighing about 1.05 kg contains 5 mg of dissolved oxygen (O_(2)). Express the concentration of dissolved oxygen in ppm.