Which metal can be used as a sacrificial electrode to prevent the rusting of an iron pipe? which metal can be used as a sacrificial electrode to prevent the rusting of an iron pipe? cu ag al au?

What is avogadro’s number, and why is it useful

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

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?