Complete the table given below:

Calculate the number of moles in:

i) 12.046 x 10²³ atoms of Copper

ii) 27.95g of Iron

iii) 1.51 x 10²³molecules of CO₂

Find the gram molecular mass of the following from the data given:

i) H₂O ii) CO₂ iii) NaOH iv) NO₂ v) H₂SO₄

Calculate the number of water molecules present in one drop of water which weighs 0.18 g.

Fill in the blanks using the given data:

The formula of Calcium oxide is CaO. The atomic mass of Ca is 40, Oxygen is 16 and Carbon is 12.

i) 1 mole of Ca ( ____g) and 1 mole of Oxygen atom ( ___g) combine to form _____mole of CaO ( ____g).

ii) 1 mole of Ca ( ___g) and 1 mole of C ( ___g) and 3 moles of Oxygen atom ( ___g) combine to form 1 mole of CaCO₃ ( ___g)