Answer:
1230
Explanation:
1.20×1025=1230 is your answer
Explanation: just add the atomic masses on the periodic table together for each atom.
No one can do that by him or her self
Answer:
When the metal reacts with hot, concentrated sulphuric acid, the products of the reaction are copper (II) sulphate, sulphur dioxide and water. Cu + 2H2SO4 = CuSO4 + SO2 + 2H2O. This is a typical redox reaction in which the acid is reduced to SO2, but no hydrogen is produced here
