Volume of 0.100 M Na3PO4 solution used 30 mL 30 mL Initial burette volume of CaCl2 solution .6 mL 20.6 Final burette volume of CaCl2 solution 20.6 mL 40.6 mL Volume of unknown CaCl2 solution used 20 mL 20 mL Mass of filter paper .381 9 356 g 453 9 .383 Mass of filter paper + Ca3(PO4)2 precipitate .072 q .027 Mass of Ca3(PO4)2 precipitate recovered 000232 mol .0000 871 mol Moles of Ca3(PO4)2 recovered ,000261 mol 000696 mol Moles of CaCl2 consumed in reaction Molarity of unknown CaCl2 solution Average Value for Molarity of Unknown CaCl2 solution
Volume of 0.100 M Na3PO4 solution used 30 mL 30 mL Initial burette volume of CaCl2 solution .6 mL 20.6 Final burette volume of CaCl2 solution 20.6 mL 40.6 mL Volume of unknown CaCl2 solution used 20 mL 20 mL Mass of filter paper .381 9 356 g 453 9 .383 Mass of filter paper + Ca3(PO4)2 precipitate .072 q .027 Mass of Ca3(PO4)2 precipitate recovered 000232 mol .0000 871 mol Moles of Ca3(PO4)2 recovered ,000261 mol 000696 mol Moles of CaCl2 consumed in reaction Molarity of unknown CaCl2 solution Average Value for Molarity of Unknown CaCl2 solution
Chapter7: Solutions And Colloids
Section: Chapter Questions
Problem 7.107E
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