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posted by Anonymous Tuesday, September 10, 2013 at 10:17pm.
How many mole of KClO3 are needed to make 320g O2
2KClO3 ==> 2KCl + 3O2 How many mols O2 in 320 g? That's mol = grams/molar mass = ? Then 2 mols KClO3 = 3 mols O2; therefore, .....x mols KClO3 = ? mols O2.
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