Conversion between concentration units help!
For H2C2O4
1. Find Molality, Mass% of solvent and Ppm solute with a Mole fraction of solvent: 0.589
2. Find Molality, Mass% of solvent and mole fraction of solvent with Ppm solute: 658
3. Find Molality, Ppm solute and mole fraction of solvent with Mass % of solvent:58
4. Find Mass% of solvent, Ppm solute and mole fraction of solvent with Molality: 2.35
How in the world do you even go about solving theses problems? Please don't just solve actually explain, I have a test on Thursday and I'm so confused!