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0.9545 g of calcium nitrate salt, Ca(NO3)2, is weighed, dissolved in concentrated HCl solution and diluted to 500 ml with water, 100 ml of sample taken from this is precipitated as CaC,04 using (NH4)2 C204. It is first converted to CaCO3, then to CaO by burning in an ash furnace. CaO weighed 0,2500 g, calculate the amount of Ca in the sample and its% (Ca: 40 g/ mol, 0: 16 g/ mol).

0.9545 g of calcium nitrate salt, Ca(NO3)2, is weighed, dissolved in concentrated HCl solution and diluted to 500 ml with water, 100 ml of sample taken from this is precipitated as CaC,04 using (NH4)2 C204. It is first converted to CaCO3, then to CaO by burning in an ash furnace. CaO weighed 0,2500 g, calculate the amount of Ca in the sample and its% (Ca: 40 g/ mol, 0: 16 g/ mol).

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter21: Chemistry Of The Main-group Elements
Section: Chapter Questions
Problem 21.195QP
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0.9545 g of calcium nitrate salt, Ca(NO3)2, is weighed, dissolved in concentrated HCl solution and diluted to 500 ml with water, 100 ml of sample taken from this is precipitated as CaC20, using (NH4), C204. It is first converted to CaCO3, then to CaO by burning in an ash furnace. CaO weighed 0,2500 g, calculate the amount of Ca in the sample and its% (Ca 40 g/ mol0: 16 g/mol).
Transcribed Image Text:0.9545 g of calcium nitrate salt, Ca(NO3)2, is weighed, dissolved in concentrated HCl solution and diluted to 500 ml with water, 100 ml of sample taken from this is precipitated as CaC20, using (NH4), C204. It is first converted to CaCO3, then to CaO by burning in an ash furnace. CaO weighed 0,2500 g, calculate the amount of Ca in the sample and its% (Ca 40 g/ mol0: 16 g/mol).
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