An organic compound contained C 66.7%, H 11.1%, 0 22.2% by mass. Its relative formula mass was 72. Find: a) the empirical formula of the compound b) the molecular formula of the compound. (Ar : H = 1, C = 12, 0 = 16)

An organic compound contained C 66.7%, H 11.1%, 0 22.2% by mass. Its r

1.	An organic compound contained C 66.7%, H 11.1%, 0 22.2% by mass. Its relative formula mass was 72. Find: a) the empirical formula of the compound b) the molecular formula of the compound. (Ar : H = 1, C = 12, 0 = 16)
Answer» Find the area of a rectangular field in hectare WHOSE SIDES are: 70 m 9DM and 125m