(Solution) 1550 G Rock Sample Of Unknown Concentration Was Dissolved In HCl And Diluted To 100. Aliquots Of 15.00 Ml Of This Unknown Solution Were Added To... | Snapessays.com


(Solution) 1550 g rock sample of unknown concentration was dissolved in HCl and diluted to 100. Aliquots of 15.00 ml of this unknown solution were added to...


A 0.1550 g rock sample of unknown concentration was dissolved in HCl and diluted to 100.0mL. Aliquots of 15.00 ml of this unknown solution were added to different volumes of a 2.08 micrograms/ml ca standard solution and diluted to 200.0 ml. find the weight percent of ca in the rock sample and the associated uncertainty from the x-intercept using the method of least squares.

 

Unknown (mL) / Standard (ml) / Final Volume (ml) / Emission Intensity

 

15.0 0.00 200.0 214.0

 

15.0 5.00 200.0 400.0

 

15.0 10.0 200.0 624.0

 

15.0 15.0 200.0 818.0

 

15.0 20.0 200.0 1008.0

 


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This question was answered on: May 23, 2022

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