How many milligrams of a mixture containing equal numbers of moles of CH4 and N2 at 10 ATM total pressure will dissolve in 1 L of water at 20°C

Question

??? Convert 16g/mol CH4 28g/mol N2
???need density .998g/ml H2O

Answer 1

You need to use Henry's Law. You will need the constants for each.

Answer 2

Ok 24mg/100g and 18mg/100g from graph

Answer 3

I'm not sure what to do with the .018 and .024 o even have the answer from the book.