Answer the 7and8 questions
Jaya1231
Asked:
December 2022
A piece of copper weights 0.635g. how many atoms of copper does it contain?
Jaya1231
Asked:
December 2022
A gas has a vapour density 11.2.the volume occupied by 1g of the gas at NTP is
Jaya1231
Asked:
December 2022
Calculate how many methane molecules and how many hydrogen and carbon atoms are there in 25g of methane