Nicotine (c) in a water (a) solution containing 1% nicotine is to be extracted with kerosene (b) at 20°c using co-current contact equipment. water and kerosene are essentially insoluble. i) determine the percentage extraction of nicotine if 100 kg of feed solution is extracted once with 150 kg solvent. [4 marks) ii) determine the percentage extraction of nicotine for three theoretical extractions using 50 kg solvent each.

false

because it does not have the potential to be entirely used up

they all get energy from eating other animals, dead animals to be more precise.

hienas tends to steal pray from other animals. crows and vultures tend to eat dead animals and leftovers.

hope it ,

bioteacher101

qualitative observation deals with data that can be observed with our senses: sight, smell, touch, taste, and hearing. they do not involve measurements or numbers. for instance, colors, shapes, and textures of objects are all qualitative observations.