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 student puts his signature with graphite pencil. If the mass of carbon in the signature is 10-12 g, calculate the number of carbon atoms in the signature.
An unknown gas shows a density of 3 g per litre at 273°C and 1140 mm Hg pressure. What is the gram molecular mass of this gas?
Give the empirical formula of:
(a) C6H6
(b) C6H18O3
(c) C2H2
(d) CH3COOH
Find the percentage of water of crystallisation in CuSO4.5H2O. (At. Mass Cu = 64, H = 1, O = 16, S = 32)