How would I solve for the molarity of the unknown CaCl2 solution

Introductory Chemistry For Today
8th Edition
ISBN:9781285644561
Author:Seager
Publisher:Seager
Chapter7: Solutions And Colloids
Section: Chapter Questions
Problem 7.107E
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How would I solve for the molarity of the unknown CaClsolution 

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 m L
40.6 mL
Volume of unknown CaCl2 solution used
20 mL
20 mL
Mass of filter paper
.3819
.356
Mass of filter paper + Ca3(P04)2 precipitate
.4539
.383
.072 q
027
Mass of Ca3(PO4)2 precipitate recovered
,000232 mol
0000 871 mol
Moles of Ca3(PO4)2 recovered
00o261 mol
.000696 mol
Moles of CaCl2 consumed in reaction
Molarity of unknown CaCl2 solution
%D
Average Value for Molarity of Unknown CaCl2 solution
Transcribed Image Text: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 m L 40.6 mL Volume of unknown CaCl2 solution used 20 mL 20 mL Mass of filter paper .3819 .356 Mass of filter paper + Ca3(P04)2 precipitate .4539 .383 .072 q 027 Mass of Ca3(PO4)2 precipitate recovered ,000232 mol 0000 871 mol Moles of Ca3(PO4)2 recovered 00o261 mol .000696 mol Moles of CaCl2 consumed in reaction Molarity of unknown CaCl2 solution %D Average Value for Molarity of Unknown CaCl2 solution
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