Answer
a) Two mol KClO$_{3}$ decompose to form two mol KCl and three mol O$_{2}$.
b) Four mol NH$_{3}$ react with six mol NO to form five mol N$_{2}$ and six mol H$_{2}$O.
c) Four mol K react with one mol O$_{2}$ to form two mol K$_{2}$O.
Work Step by Step
a) Two mol KClO$_{3}$ decompose to form two mol KCl and three mol O$_{2}$.
b) Four mol NH$_{3}$ react with six mol NO to form five mol N$_{2}$ and six mol H$_{2}$O.
c) Four mol K react with one mol O$_{2}$ to form two mol K$_{2}$O.
