Analytic chemistry
I think
1) chromatography- separation by inner molecular attractions.
2) distillation- separation by boiling point differences.
3) filtration- separation by particle size
4) crystallization- separation by solubility
Answer:
Oxygen is the most abundant element in the Earth's crust.
Explaination: It makes up 46% of the mass of the Earths crust.
The partial pressure of argon is:
1.63-0.71= 0.92 atm
The correct answer is 124 ✌
