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A 10.00-mL blood sample was diluted to 100.00 mL. 10.00 mL of the resulting solution was analyzed for calcium by precipitating all of the calcium
A 10.00-mL blood sample was diluted to 100.00 mL. 10.00 mL of the resulting solution was analyzed for calcium by precipitating all of the calcium as calcium oxalate, CaC2O4. The solid CaC2O4 was then redissolved in H2SO4 and titrated with 0.00886 M KMnO4. What is the concentration of Ca2+ in the blood sample expressed as milligrams Ca2+/mL blood if the endpoint was reached with the addition of 1.14 mL of the KMnO4 solution?
The balanced chemical reaction for the titration is 5C2O42+2MnO41+16H1+2Mn2++10CO2+8H2OStep by Step Solution
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