In balancing a redox reaction using half reactions what must be true concerning the number of electrons lost in the oxidation half reaction compared to the number of electrons gained in the reduction half reaction

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 element is least likely to undergo a chemical reaction

Upon decomposition, one sample of magnesium fluoride produced 1.65 kg of magnesium and 2.56 kg of fluorine. a second sample produced 1.32 kg of magnesium. part a how much fluorine (in grams) did the second sample produce?