Answer to Question #111618 in General Chemistry for bryce..

Question

what is the mass of potassium when 6.65 g of potassium reacts with an excess of chlorine gas?

Answer 1

2K + Cl2 =2KCl

From 2 moles of Potassium 2 moles of Potassium Chloride is formed.

From 80 gm K 150 gm KCl is formed

Therefore, from 6.65 gm K =(150/80)*6.65 gm KCl

=12.47 gm Potassium Chloride is formed.