Chemistry
Correct the following:
(a) Equal volumes of any gas, under similar conditions, contain an equal number of atoms.
(b) 22 g of CO2, occupies 22.4 litres at STP.
(c) The unit of atomic weight is grams.
Related Questions
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?
An organic compound with vapour density 94 contains H = 2.13%, and Br = 85.11%. Find the molecular formula
A compound A consists of 4.8% carbon and 95.2% bromine by mass. Its vapour density is 252. Find its :
(i) empirical formula
(ii) molecular formula