CaCO 3 s - CaO s - CO 2 g Assuming the above reaction to be 100 - complete- which of the following statements is true-A- Mass of CaCO 3 before the reaction is equal to the sum of the mass of CaO and CO 2 after the reactionB- Moles of CaCO 3 before the reaction is equal to the sum of the moles of CaO and CO 2 after the reactionC- Mass of CaCO 3 is equal to the sum of the mass of C aO and CO 2 at anytime during the reaction-D- All of the above

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Concentration Terms - An Introduction (w/w etc)

CaCO 3 s → Ca...

Question

$C a C O_{3 (s)} \to C a O_{(s)} + C O_{2 (g)}$
Assuming the above reaction to be 100% complete, which of the following statements is true?

Mass of

C a C O_{3}

before the reaction is equal to the sum of the mass of

C a O

and

C O_{2}

after the reaction

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Moles of

C a C O_{3}

before the reaction is equal to the sum of the moles of

C a O

and

C O_{2}

after the reaction

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Mass of

C a C O_{3}

is equal to the sum of the mass of

C a O

and

C O_{2}

at anytime during the reaction.

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All of the above

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