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KCLO3 decomposes to KCL and O2.if the volume of O2 obtained in this reaction is 1.12 litres at STP,weigh of KCL formed in the reaction is

KCLO3 decomposes to KCL and O2.if the volume of O2 obtained in this reaction is 1.12 litres at STP,weigh of KCL formed in the reaction is

Grade:11

1 Answers

Lovedeep
15 Points
4 years ago
Applying poac on the reaction
Kclo3----->kcl+o2
3*mol of kclo3=2*mol of o2-------eqn1;
1*mol of kclo3=1*mol of kcl------eqn2;
      By eqn 1 and 2
3*mol of kcl=2"mol of o2
 
And 22.4litre=1mol
Then 1.12lit=1/20mol
 
33*mol of kcl=2*(1/20)
Mol of kcl=(2/3)*(1/20)
X/74.5=(2/3)*(1/20)
X=2.48gm
 
3*mol of kcl

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