Define empirical formula. How is it related to the molecular formula of a compound?

Write the molecular formula.

Try to write down their molecular formula.

Give an example of molecule in which. (i) Ratio of molecular formula and empirical formula is 6: 1 (ii) Molecular weight is 2 times of the empirical formula weight. (iii) The empirical formula is CH_2O and ratio of molecular formula weight and empirical fórmula weight is 6 .

(a) How many signifficant figures are there in '1.00 xx 10^6' ? (c) Give an example of molecule in which the empirical formula is 'CH_2 O' and the ratio of molecular formula weight and empirical formula weight is 6 .