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41. On therma...

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41. On thermal decomposition of 600g of lime stone 44.8L of co2 is released at STP. The percentage purity of lime stone is

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60

g of lime stone on heating produced

22

C O_{2}

. The percentage of

C a C O_{3}

in limestone is:

50

g of calcium carbonate sample,

C a C O_{3}

(lime stone) gave

1.12

L carbon dioxide gas measured at STP (

1

mole of every ideal gas at STP has

22.4

L volume).
What is percent purity of

C a C O_{3}

Q. Calculate the weight of lime (

C a O

) obtained by heating

200 k g

of 95% pure lime stone (

C a {C O}_{3}

C a {C O}_{3} \to C a O + {C O}_{2}

Q. How much lime is obtained by burning

400 g

Q. Quick, lime is produced by the decomposition lime in the lime kiln according to the following equation.

C a C O_{3} \to C a O + C O_{2}

This reaction goes to completion because:

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