Complete the following table.

Write the valencies of Fe in FeCl₂ and FeCl₃

Calculate the molar mass of Sulphuric acid (H₂SO₄) and glucose (C₆H₁₂O₆)

Which has more number of atoms - 100g of sodium or 100g of iron? Justify your answer. (atomic mass of sodium = 23u, atomic mass of iron = 56u)

Fill the following table