Chemistry
A compound made up of two elements X and Y has an empirical formula X2 Y. If the atomic weight of X is 10 and that of Y is 5 and the compound has a vapour density (V.D.) 25, find it's molecular formula.
Related Questions
Oxygen oxidises ethyne to carbon dioxide and water as shown by the equation:
2CO2H2 + 5O2 ⟶ 4CO2 + 2H2O
What volume of ethyne gas at s.t.p. is required to produce 8.4 dm3 of carbon dioxide at STP ? [H = 1, C = 12, 0 = 16]
A cylinder contains 68 g of Ammonia gas at STP
(i) What is the volume occupied by this gas?
(ii) How many moles of ammonia are present in the cylinder?
(iii) How many molecules of ammonia are present in the cylinder? [N-14, H-1]
In an Experiment, 6.21 g of lead is combined with 4.26 g of chlorine. What is the empirical formula of the resulting compound?