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OpenStudy (anonymous):
An industrial process makes calcium oxide by decomposing calcium carbonate. Which of the following is NOT needed to calculate the mass of calcium oxide that can be produced from 4.7 kg of calcium carbonate? A. the balanced chemical equation B. molar masses of the reactants C. molar masses of the product D. the volume of the unknown mass
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OpenStudy (icalibear):
its b or c
OpenStudy (anonymous):
The answer is D. I will explain your problem. First you have to write the equation: \[Ca CO3\rightarrow CaO+CO2 \] Then compute the mols of Ca CO3 Then compute the mols of CaO AND AT LAST THE MASS OF CaO good luck
OpenStudy (icalibear):
oh, sorry, he got it right ^
OpenStudy (youngnephew34):
thanks for the answer
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