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August 2, 2015

Homework Help: chemistry

Posted by Anonymous on Thursday, August 2, 2012 at 12:17am.

Calculate the following quantities. (See the periodic table.)
(a) mass, in grams, of 2.54 10-2 mol of CdS


g

(b) number of moles of NH4Cl in 90.0 g of this substance


mol

(c) number of molecules in 5.081 10-2 mol C6H6


molecules

(d) number of O atoms in 4.72 10-3 mol Al(NO3)3

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