Which compound(s) is/are water soluble? Check all that apply.

Ethane, C2H6

Methane, CH4

Pentane, C5H10

Potassium nitrate, KNO3

Ammonium nitrate, NH4NO3

None of the above

Potassium nitrate (KNO3) and Ammonium nitrate (NH4NO3) are water soluble.