mol rato 一問

Firstly, mol ratio is the simplest ratio of reactants in a reaction.
Refer to K2SO4, you will see 2 K+ react with one SO4 2- to produce one K2SO4,
then K+ : SO4 2- = 2 : 1
and mole ratio = 2 : 1
does not relate to wt

but No. of moles relates to wt, No. of moles = mass / molar mass