Great, now we can name compounds, let's start making solutions. Currently Severus is only using water as a solvent and thus can use only water soluble compounds. Which of the following can't Severus use? That is, which one of the following is insoluble in water.
A) NaC₂H₃O₂
B) NH₄Br
C) NH₄NO₃
D) BaSO₄
E) KCl