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A great video lecture conducted by experienced chemistry teacher on 9th class chemistry chapter 1 topic molecular formula. Get full understanding or ask any questions.

Molecular Formula, ch 1, lec 1.2.4.2, Molecular Formula - 9th Class Chemistry

9:58

Empirical formula, ch 1, lec 1.2.4.2, Molecular Formula - 9th Class Chemistry

36:05

Molecular formula, ch 1, lec 1.2.4.2, Molecular Formula - 9th Class Chemistry

37:35