Question

How many moles of
a)Bromideions are there in 0.5 moles of Barium Bromide BaBr2
b)Nitrogen atoms are there in 2moles of ammonium nitrate

Answer 1

a) Let's write it as such\[0.5~BaBr_2\]If we multiply 0.5 by 2, what do we get?

b) Let's write it as such\[2~ NH_4NO_3\]If we multiply 2 by 2, what do we get?