Identify the index fossil

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?

In pqr m< p=60 m< q= 30 and m

Find the number of moles of argon in 364g of argon.