Question
Asked Oct 25, 2019
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When heated, KClO3 decomposes into KCl and O2.

 

2KClO3⟶2KCl+3O2

If this reaction produced 85.1 g KCl, how many grams of O2 were produced?

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Expert Answer

Step 1

The given reaction is

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2KCIO3—2КCI+з02

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Step 2

Mass of KCl produced = 85.1g

No of moles of KCl produced

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given mass no of moles molecular mass 85.1 75 =1.135

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Step 3

The given reaction shows that for every 2 moles of KCl,...

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2 moles of KCl produces 3 moles of O2 1.135 moles of KCl will produce x 1.135 moles of O, 2 1.7025 moles of O2

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