21. (1) Which has more number of atoms?
a)
100g of N, or 100g ofNH,
(ii) Calculate the number of moles of magnesium present in a Magnesium
ribbon weighing 12g. Molar atomic mass of mg is 24 mol'
Answers
Answered by
4
Explanation:
i)100g of NH3
ii)given that mass of ribbon=12g
molar mass of mg=24mol
number of moles=w/m
= 12/24mol
=0.5mole.
I hope it is helpful.
Similar questions