Answer:
4.5
Step-by-step explanation:
2KClO3 ===> 2KCl + 302
Let the number of moles of KClO3 = x
2KClO3 ===> 2KCl + 302
Since the balance numbers are the same for both chemicals KClO3 and KCl whatever you need to get for KCl will be the same as for the KCl
x = 4.5