Some Basic Conc...

Empirical formula of an organic compound is CH and its molecular mass is 78g/mol. What is its molecular formula?​

A compound contains 69.5% oxygen and 30.5% nitrogen and its molecular mass is 92g/mol. The formula of that compound is:​

Which formula represents the simplest whole number ratio of various atoms present in a compound?

What is the empirical formula of C₄H₈O₂?​

The empirical formula of an organic gas containing carbon and hydrogen is CH₂. The mass of 1 litre of this organic gas is exactly equal to that of 1 litre of N₂. Therefore, the molecular formula of organic compound is:​

Which of the following compounds has the same empirical formula as that of glucose (C₆H₁₂O₆)?​

The simplest formula of a compound containing 50% of element X (atomic mass = 10g/mol) and 50% of element Y (atomic mass 20g/mol) is:​

Formula mass is applicable in the case of:

What is the empirical formula of C₂H₂ and C₆H₆?​

A compound has an empirical formula of C₂HBr. If the molar mass of the compound is 314.7 g/mol, what is the molecular formula of the compound? (Atomic mass of Br = 80g/mol)​

The empirical formula of an acid CH₂O₂ is:​

What is the mass percentage of carbon in urea [CO(NH₂)₂]? (Molar mass of urea is 60g)​

An oxide of metal M has 40% by mass of oxygen. Metal M has relative atomic mass of 24g/mol. The empirical formula of the oxide is:​

The empirical formula of a compound is CH₂Cl. If the molecular mass of the compound is 99 g, what is the molecular formula of the compound?​

If empirical formula of a compound is C₅H₄ and the value of n is 2, then molecular formula of the compound is:​