Chapter 3 - Practice problems - Answers

Chapter 3 Practice problems Answers

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Unformatted text preview: ulfate heptahydrate 30. Y2O Yttrium(I) oxide 31. CuSO4 · 5 H2O Copper(II) sulfate pentahydrate Moles, Molar Mass & Avogadro’s Number 32. If you have a 50.2 g of NO2, how many NO2 molecules do you have? Molar Mass, Percent Composition, Empirical Formulas & Molecular Formulas 33. If you have a 29.32 g sample of AgCl, how many moles do you have? 34. How many grams of octane will give you 1.893 moles of octane? 35. What is the mass of carbon in a 48.55 g sample of propane? The molecular formula for propane is C3H8. 36. What is the empirical formula of a compound with the following percent compositions: C = 40.00%, H = 6.714%, O = 53.29%? Assuming a 100 g sample, we have Determine the ratio of atoms Empirical formula: CH2O 37. Given a molecule with the empirical formula CH 2O an...
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This document was uploaded on 02/28/2014 for the course CHEMISTRY 116 at University of Alabama at Birmingham.

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