A compound contains `4.07%` hydrogen, `24.27%` carbon and `71.65%` chlorine . Its molar mass is 98.96 g. What are its empirical and molecular formulas ?

A compound contains 32% carbon, 4% hydrogen and rest oxygen. Its vapour density is 75. Calculate the empirical and molecular formula.

An organic compound was found to have contained carbon = 40.65%, hydrogen = 8.55% and Nitrogen = 23.7%. Its vapour - density was found to be 29.5. What is the molecular formula of the compound?

A gaseous compound is composed of 85.7% by mass of carbon and 14.3% by mass hydrogen. Its density is 2.28 g/L at 300 K and 1 atm pressure. Determine molecular formula of the compound.

An organic compound, consisting of carbon, hydrogen, nitrogen and oxygen contains 40.67% of carbon and 8.47% of hydrogen 0.5g of that compound gives 94.91mL of nitrogen at STP. What is the empirical formula of that compound?

A compound contains K=42.39%, Fe=15.23% and C=19.44% N=22.8260 % . The molecular mass of the compound is 368. Find the molecular formula of the compound

Butyric acid contains C,H,O elements. A4.24 mg sample of butyric acid is completely burnt in oxygen. It gives 8.45 mg of carbon dioxide and 3.46 mg of water. What is the mass percentage of each element? Determine the empirical and molecular formula of butyric acid if its molecular mass is 88u.

A given sample of pure compound contains 9.81 gm of Zn, 1.8 xx 10^23 atoms of chromium and 0.6 mole of oxygen atom. What is the simple molecular formula of the sample ? [Atomic mass of Zn = 65.38]

A compound of carbon, hydrogen and oxygen contains 40% of carbon and 6.67% of hydrogen. Vapour density of the compound is 2.813 times of the vapour density of oxygen. Determine the empirical formula and molecular formula of the compound.

What is the simplest formula of the compound which has the following percentage composition: carbon 80%, Hydrogen 20%, If the molecular mass is 30, calcualte its molecular formula.

A compound composed of carbon, hydrogen and chlorine contains C=10.04% and Cl=89.12%. The vapour density of the compound is 59.75. determine its molecular formula.