Which one of these samples contains the smallest number of molecule? A) 1.0L of H2 at STP(0c and 1atm)
B) 1.0L of N2 at STP.
C) 1.0 L of H2at 20 c and 760 torr.
D) 1.0L of N2 at 0c and 800 torr.
E) 1.0 L of He at STP

Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?