# Chemistry

39.8g of a mixture of Potassium chloride, KCl, and Potassium trioxochlorate (v) KClO3, were heated to a constant mass.If the residue weighed 28.9g, what was the percentage of Potassium chloride in the mixture?
(O=16,Cl=35.5,K=39)

1. 👍 0
2. 👎 0
3. 👁 1,037
1. heating liberates the oxygen

using the amount of oxygen liberated , find the original mass of KClO3

% KCl = 100% - % KClO3

1. 👍 0
2. 👎 0

1. 👍 4
2. 👎 0
3. 39.8g of a mixture of Potassium chloride, KCl, and Potassium trioxochlorate (v) KClO3, were heated to a constant mass.If the residue weighed 28.9g, what was the percentage of Potassium chloride in the mixture?
(O=16,Cl=35.5,K=39)

1. 👍 0
2. 👎 0
4. Yes

1. 👍 0
2. 👎 0

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