5mg in liter is 5 ppm
Explanation: 1 ppm is one part per million.
1 ppm is 1 mg is one part of million from 1 kg = 1000 000 mg
1 litre water is 1. Kg.
Answer:
see the pic for the answer
6.4 times 10^-7 is the answer because you are moving your decimal places to the left so it will be negative 7
The head of the phospholipids molecule is attracted to water, the tail repels water
