I need the answers to those 2 :) don’t explain just answer :D

Complete this brønsted-lowry reaction placing each product by its appropriate label. hso4- + hcn

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

Marcel just purchased 1.69 grams of iron fillings in order to make living putty for his 6 year old niece. how many moles of iron are made in his sample?