A 0.4755-g sample containing (NH,),C,O, and inert materials was dissolved in water and 3. strongly alkaline with KOH, which converted NH,* to NH3. The liberated NH; was distilled into 50.0mL of 0.05035 M H,SO The excess H,SO, was back titrated with 11.13 mL of 0.1214 M NaOH. Calculate the following: A. The % N (14.00 g/mole) B. The % (NH,),C,0;(124.10 g/mole) in the sample

Fundamentals Of Analytical Chemistry
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Chapter16: Applications Of Neutralization Titrations
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Problem 16.37QAP
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A 0.4755-g sample containing (NH,),C,O, and inert materials was dissolved in water and
3.
strongly alkaline with KOH, which converted NH,* to NH3. The liberated NH; was distilled into 50.0mL
of 0.05035 M H,SO The excess H,SO, was back titrated with 11.13 mL of 0.1214 M NaOH. Calculate
the following:
A. The % N (14.00 g/mole)
B. The % (NH,),C,0;(124.10 g/mole) in the sample
Transcribed Image Text:A 0.4755-g sample containing (NH,),C,O, and inert materials was dissolved in water and 3. strongly alkaline with KOH, which converted NH,* to NH3. The liberated NH; was distilled into 50.0mL of 0.05035 M H,SO The excess H,SO, was back titrated with 11.13 mL of 0.1214 M NaOH. Calculate the following: A. The % N (14.00 g/mole) B. The % (NH,),C,0;(124.10 g/mole) in the sample
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