It is discovered that it contains 7.759 %  by mass of  of the element oxygen (molar mass 16.00 g/mol).   The new element Torontium (To molar mass of 368 g/mol) composes 92.25% of the mass of the formula unit Ontarium.  Unfortunately after you have carried this mineral in your pocket, as it glows in the dark and you wanted to show everyone.  You are hoping to make a lot of money from this discovery, but you then discover that Torontium is highly radioactive and gives off alpha radiation.  You have 100.00 grams of Ontarium.  Calculate the MOLES of both Torontium and Oxygen and then calculate the empirical formula which is the simplest integer ratio between the two elements (and also the structure of the formula unit for this ionic

Chemistry by OpenStax (2015-05-04)
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ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter2: Atoms, Molecules, And Ions
Section: Chapter Questions
Problem 25E: The average atomic masses of some elements may vary, depending upon the sources of their ores....
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You find a new mineral while traveling for Thanksgiving in northern Ontario, Canada. You decide to name the mineral Ontarium.  You bring it back to the isotopic analysis lab at the research university where you are earning your bachelor's degree.  It is discovered that it contains 7.759 %  by mass of  of the element oxygen (molar mass 16.00 g/mol).   The new element Torontium (To molar mass of 368 g/mol) composes 92.25% of the mass of the formula unit Ontarium.  Unfortunately after you have carried this mineral in your pocket, as it glows in the dark and you wanted to show everyone.  You are hoping to make a lot of money from this discovery, but you then discover that Torontium is highly radioactive and gives off alpha radiation.  You have 100.00 grams of Ontarium.  Calculate the MOLES of both Torontium and Oxygen and then calculate the empirical formula which is the simplest integer ratio between the two elements (and also the structure of the formula unit for this ionic compound). 

 

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