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Ionisation Energy

200g of a sam...

Question

200g of a sample of limestone liberates 66 g of co2 on heating. The % purity of caco3 in limestone is

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1.25

g of sample of limestone on heating gives

0.44

g carbon dioxide. The percentage purity of

C a C O_{3}

in limestone is:

12.5

g of an impure sample of limestone on heating gives

4.4

g of carbon dioxide. The percentage purity of

C a C O_{3}

in the sample is:

10 g

of limestone on heating produces

4.2 g

C a O

. the percentage purity of

C a {C O}_{3}

in limestone is:

[Atomic mass of

C a =

40

60

g of lime stone on heating produced

22

C O_{2}

. The percentage of

C a C O_{3}

in limestone is:

Q. Calculate the mass of

C O_{2}

produced by heating

20 g

of pure limestone

(C a C O_{3})

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