0.9545 g of calcium nitrate salt, Ca (NO3) 2, is weighed, dissolved in concentrated HCl solution and added to 500 ml with water. It is diluted, 100 ml sample taken here is precipitated as CaC2O4, burned in the ash furnace and It is converted to CaCO3 and then to CaO. Since it comes to 0.2500 g when weighed, the amount of Ca in the sample and calculate its% (Ca: 40 g / mol, O: 16 g / mol)
0.9545 g of calcium nitrate salt, Ca (NO3) 2, is weighed, dissolved in concentrated HCl solution and added to 500 ml with water. It is diluted, 100 ml sample taken here is precipitated as CaC2O4, burned in the ash furnace and It is converted to CaCO3 and then to CaO. Since it comes to 0.2500 g when weighed, the amount of Ca in the sample and calculate its% (Ca: 40 g / mol, O: 16 g / mol)
Chemistry by OpenStax (2015-05-04)
1st Edition
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
Chapter18: Representative Metals, Metalloids, And Nonmetals
Section: Chapter Questions
Problem 25E: A chemist dissolves a 1.497-g sample of a type of metal (an alloy of Sn, Pb, Sb, and Cu) in nitric...
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0.9545 g of calcium nitrate salt, Ca (NO3) 2, is weighed, dissolved in concentrated HCl solution and added to 500 ml with water.
It is diluted, 100 ml sample taken here is precipitated as CaC2O4, burned in the ash furnace and
It is converted to CaCO3 and then to CaO. Since it comes to 0.2500 g when weighed, the amount of Ca in the sample
and calculate its% (Ca: 40 g / mol, O: 16 g / mol)
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