This is concentration problem set. PLEASE no links and please don’t respond just for point. I would seriously appreciate the help:)

When you perform this reaction, what could remain at the end of the reaction? check all that apply. excess reactant aqueous copper chloride excess reactant aluminum oxygen product solid copper carbon dioxide product aqueous aluminum chloride water

Which statement can best be concluded from the ideal gas law?

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.