Homework Help: CHEMISTRY

Posted by Taynell on Tuesday, April 5, 2011 at 3:54am.

The chemical and engineering properties of cement are very important in the construction industries. One of the four principle chemical compounds in Portland cement in tricalcium silicate, 3CaO.SiO2. Calculate its molecular/formula weight?

CHEMISTRY - DrBob222, Tuesday, April 5, 2011 at 4:27pm
What don't you understand about this? Just add 3 x atomic mass Ca + 3 x atomic mass O + atomic mass Si + 2 x atomic mass O

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