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In a coulometric Karl Fischer water analysis, 25.00 mL of pure dry methanol required
Chapter 16, Problem 16-H(choose chapter or problem)
In a coulometric Karl Fischer water analysis, 25.00 mL of pure dry methanol required 4.23 C to generate enough I2 to react with the residual H2O in the methanol. A suspension of 0.847 6 g of finely ground polymeric material in 25.00 mL of the same dry methanol required 63.16 C. Find the weight percent of H2O in the polymer.
Questions & Answers
QUESTION:
In a coulometric Karl Fischer water analysis, 25.00 mL of pure dry methanol required 4.23 C to generate enough I2 to react with the residual H2O in the methanol. A suspension of 0.847 6 g of finely ground polymeric material in 25.00 mL of the same dry methanol required 63.16 C. Find the weight percent of H2O in the polymer.
ANSWER:Step 1 of 4
methanol required to generate enough to react with residual in methanol.
polymeric material in of the same methanol required charge