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Chemistry
5. Atoms and molecules
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Q21 of 29 Page 85

Complete the following table.






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18

Write the valencies of Fe in FeCl2 and FeCl3

19

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

20

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)

22

Fill the following table

Questions · 29
5. Atoms and molecules
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