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Another hydrated compound containing Sodium, Boron and Oxygen was investigated.  250.00 g of the compound was heated in order to dehydrate it.  The remaining material was then decomposed, producing 30.14 g of Na, 28.34 g of B and 73.40 g of O.  A mass spectrum revealed that the molecular mass of the compound is 381.42 g/mol.  From this information, determine the values of w, x, y and z .                               NawBxOy×Z H2O

Another hydrated compound containing Sodium, Boron and Oxygen was investigated.  250.00 g of the compound was heated in order to dehydrate it.  The remaining material was then decomposed, producing 30.14 g of Na, 28.34 g of B and 73.40 g of O.  A mass spectrum revealed that the molecular mass of the compound is 381.42 g/mol.  From this information, determine the values of w, x, y and z .                               NawBxOy×Z H2O

Chemistry: Principles and Practice
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter3: Equation, The Mole, And Chemical Formulas
Section: Chapter Questions
Problem 3.149QE
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  1. Many dry compounds are found in hydrated What does this mean?  The compound has water molecules attached to it, even when it is a dry substance.  For example, copper sulfate forms a complex with five water molecules.  The symbol is CuSO4×5H2O and is named copper (II) sulfate pentahydrate. 

 

Another hydrated compound containing Sodium, Boron and Oxygen was investigated.  250.00 g of the compound was heated in order to dehydrate it.  The remaining material was then decomposed, producing 30.14 g of Na, 28.34 g of B and 73.40 g of O.  A mass spectrum revealed that the molecular mass of the compound is 381.42 g/mol.  From this information, determine the values of w, x, y and z .

                              NawBxOy×Z H2O

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