Advertisements
Advertisements
प्रश्न
A gas cylinder filled with hydrogen holds 5g of the gas. The same cylinder holds 85 g of gas X under the same temperature and pressure. Calculate the molecular weight of gas X.
उत्तर
Molecular mass = 17(V.D) x 2 = 34g
APPEARS IN
संबंधित प्रश्न
A gaseous compound of nitrogen and hydrogen contains 12.5% hydrogen by mass. Find the molecular formula of the compound if its relative molecular mass is 37.
[N = 14, H = 1].
A compound made up of two elements X and Y has an empirical formula X2Y. if the atomic weight of X is 10 and that Y is 5 and the compound has a vapour density (V.D.) 25, find its molecular formula.
Calculate the mass of iron in 10 kg of iron ore which contains 80% of pure ferric oxide.
A hydrocarbon contains 4.8g of carbon per gram of hydrogen. Calculate Find molecular formula, if its vapour density is 29.
Find the molecular formula of a hydrocarbon having vapour density 15, which contains 20% of Hydrogen.
A hydrate of calcium sulphate CaSO4.xH2O contains 21% water of crystallization. Find the value of x.
A compound X consists of 4.8% carbon and 95.2% bromine by mass. If the vapour density of the compound is 252, what is the molecular formula of the compound?
Arrange the following according to the instruction given in bracket:
C2H2, C3H6, CH4, C2H4 (In the increasing order of the molecular weight)
Explain the term molecular formula.
An organic compound, whose vapour density is 45, has the following percentage composition,
H = 2.22%, O = 71.19% and remaining carbon. Calculate its molecular formula.
