/ chem 130 chapter × . Dynamic Periodic x M What number of a G zinc nitrate mola
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/ chem 130 chapter × . Dynamic Periodic x M What number of a G zinc nitrate molar × H HELP PLEASE!! H × Y e The Element Rhemx Ye The Element Rhemx cwww.webassign.net/web/Student/Assignment-Responses/submit?dep.17899827#Q9 Need Help?Read It 12. -0.57 points ZumChem10 3.E.062 My Notes Ask Your Teach What number of molecules (or formula units) are present in 2.99 g of each of the following compounds. formula units (b) Ca3(PO4)2 formula units (c) Na2HPO4 formula units Need Help?Read It Submit Answer Save Progress 13. 0.57/0.57 points | Previous Answers ZumChem 10 3.E.064 My Notes Ask Your Teach What number of atoms of phosphorus are present in 1.48 g of each of the compounds listed? E cHEM 130 S18 Ch3 BB.pptx , er chem130chapteraalides.ppt Show AllExplanation / Answer
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(a) in the structures there are 4 atoms of P and 6 atom of O so formula is P4O6
moles= mass/molar mass= 2.99 g/ 219.88 g/mol = 0.0135 moles
(b) moles = mass/molar mass = 2.99/310.18= 9.639*10^-3 moles
(c) moles = mass/molar mass = 2.99/141.96 = 0.0210 moles
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