Chemistry
xdianaax33
2016-09-26 12:38:09
A compound that is composed of molybdenum (Mo) and oxygen (O) was produced in a lab by heating molybdenum over a Bunsen burner. The following data was collected: Mass of crucible: 38.26 g Mass of crucible and molybdenum: 39.52 g Mass of crucible and molybdenum oxide: 39.84 g Solve for the empirical formula of the compound, showing your calculations.
ANSWERS
Usna2019
2016-09-26 14:15:22

39.84-38.26=Mo+O=1.58 grams 39.52-38.26=Mo=1.26 grams 1.58-1.26=O=.59 grams .59/(16)=O=.036875 mol O 1.26/95.94=Mo=.0131332083 mol Mo mol O/mol Mo=3mol O for every Mo, or MoO3

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