A certain alkaloid has `70.8%` carbon, `6.2%` hydrogen, `4.1%` nitrogen and the rest oxgen. What is its empirical formula :

An oxide of nitrogen contains 25.9% of nitrogen. What is its empirical formula

If a compound has 53.33% carbon, 31.11% nitrogen and the rest hydrogen then its empirical formula will be?

If a compound has 53.33% carbon, 31.11% nitrogen and the rest hydrogen then its empirical formula will be?

The hydrocarbon contains 79.87% carbon and 20.13 % of hydrogen. What is its empirical formula ?

A compound contains 54.54% carbon. 9.09% Hydrogen and 36.36% oxygen. Its molar mass is 88. What is its empirical formula?

0.246 gm of an organic compound containing 58.53% carbon and 4.06% hydrogen gave 22.4 ml of nitrogen at STP. What is the empirical formula of the compound?