Question: Portland cement acts as the binding agent in concrete. A typical Portland cement has the following composition: Assuming that the impurities contain no Ca, Al,

Portland cement acts as the binding agent in concrete. A typical Portland cement has the following composition:

Assuming that the impurities contain no Ca, Al, or Fe, calculate the mass percent of these elements in this Portland cement.

Formula Name Mass Percent Tricalcium silicate Dicalum silicate Tricalcium aluminate Calcium aluminoferrite 50. 25 12 CaSios Ca Sio4 Ca AlFeO CaSO4 2H Cinum sulfate dihydrate 3.5 Other substances, mostly Mgo 8.0 1.5

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