Solution: At one time, a common means of forming small quantities of o...

Question

At one time, a common means of forming small quantities of oxygen gas in the laboratory was to heat KClO₃:
2 KClO₃(s) → 2 KCl(s) + 3 O ₂(g) ΔH = -89.4 kJ

For this reaction, calculate ΔH for the formation of (b) 8.57 g of KCI.

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