For example the formula of ethane is C 2 H 6. The ratio of C:H atoms is 2:6. The empirical formula of an alkane is based on the simplest ratio of carbon to hydrogen atoms: the simplest form of the ...

SINGAPORE (Reuters) - Despite a growing trade war between Washington and Beijing, China's ethane imports from the U.S. are set to surge this year as big petrochemical producers battling shrinking ...