100.0-mL sample of spring water was treated to convert any iron present to Fe+2. Addition of 25.00-mL of 0.015102 N K2Cr2O7 resulted in the reaction. The excess K2Cr2O7 (294 g/mol) was back-titrated with 8.53 mL of 0.00949 N Fe+2 solution. The concentration of Fe+2 (56 g/mol) in the sample in parts per million is _
100.0-mL sample of spring water was treated to convert any iron present to Fe+2. Addition of 25.00-mL of 0.015102 N K2Cr2O7 resulted in the reaction. The excess K2Cr2O7 (294 g/mol) was back-titrated with 8.53 mL of 0.00949 N Fe+2 solution. The concentration of Fe+2 (56 g/mol) in the sample in parts per million is _
Materials Science And Engineering Properties
1st Edition
ISBN:9781111988609
Author:Charles Gilmore
Publisher:Charles Gilmore
Chapter4: Temperature Effects On Atom Arrangements And Atom Motion
Section: Chapter Questions
Problem 4.24P
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A 100.0-mL sample of spring water was treated to convert any iron present to Fe+2. Addition of 25.00-mL of 0.015102 N K2Cr2O7 resulted in the reaction. The excess K2Cr2O7 (294 g/mol) was back-titrated with 8.53 mL of 0.00949 N Fe+2 solution. The concentration of Fe+2 (56 g/mol) in the sample in parts per million is ___________.
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