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bonus exam final 4

bonus exam final 4 - Bonus Final Exam 4 1 Identify the...

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————————————————————————————————————— Bonus Final Exam 4 ————————————————————————————————————— 1 Identify the acidic protons in formic acid, HCH 2 O 2 , shown below. ( A ) H atoms 1 and 2 ( B ) H atoms 1 and 3 ( C ) H atoms 1 and 2 and 3 ( D ) only H atom 3 ( E ) H atoms 2 and 3 2 A 20.0 mL sample of NH 3 is titrated with 0.15 M HCl solution. What is the approximate pH at the equivalence point? 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 0.0 5.0 10.0 15.0 20.0 25.0 30.0 mL of 0.15 M HCl pH ( A ) pH 8.0 ( B ) pH 7.0 ( C ) pH 2.5 ( D ) pH 9.5 ( E ) pH 5.0 3 What is the voltage of the voltaic cell at 25°C under the following conditions: [Ce 4 ] 0.15 M, [Ce 3 ] 0.25 M, [Mn 2 ] 0.45 M, [H ] 0.017 M. (See cover page for Table of Standard Reduction Potentials)
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