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Calculate the percentage composition of Potassium chlorate KCIO3 .

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Questions

Calculate the percentage composition of each element in Potassium chlorate KCIO3.

Calculate the percentage composition of Potassium chlorate KCIO3.

Numerical
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Solution

Molar mass of KCIO3 .

= 39 + 35.5 + 48 g

= 122.5 g

So, percentage of Potassium [K]

= `39/122.5 xx 100 %`

= 31.83 %

Now, Percentage of chlorine [Cl]

=`35.5/122.5 xx 100%`

= 28.97 %

Percentage of Oxygen [O2]

= `48/122.5 xx 100%`

= 39.18 %

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Notes

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Chapter 1: The Language of Chemistry - Exercise 1 (C) [Page 19]

APPEARS IN

Selina Concise Chemistry [English] Class 9 ICSE
Chapter 1 The Language of Chemistry
Exercise 1 (C) | Q 16 | Page 19
S.P. Singh Concise Chemistry [English] Class 10 ICSE
Chapter 5 Mole concept and Stoichiometry
EXERCISE-5C | Q 6. | Page 90

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