We're being asked to calculate the amount of O2 that was produced from the reaction (in grams).
Overall reaction: 2 KClO3 → 2 KCl + 3 O2
mass KCl(molar mass KCl) → moles KCl (mol to mol comparison) → moles O2 (molar mass O2) → mass O2
When KClO3 decomposes into KCl and O2
2 KClO3 → 2 KCl + 3 O2
If this reaction produced 50.6 g of KCl, how much O2 was produced (in grams)?
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