Which of the following would most likely form a homogeneous solution?

Which of these solutions can be separated via chromatography?

What would be the best solvent would you choose to dissolve C31H64?

If 50g of NaCl are dissolved in 5 L of water what is the solute and what is the solvent?

A student investigates a series of compounds in a thin layer chromatography experiment. The student has a sample of three organic compounds labeled A, B, and C as well as an unknown compound. The student performs the experiment as shown on the left above and gets the results shown on the right. What organic compound is in the unknown sample?