quiz - D33 5‘3“? Problem-solving 1? Name;...

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Unformatted text preview: D33 5‘3“? Problem-solving 1? Name; hie-"ti 1. A buffer soluTion is 0.080 M in laoTia acid [Kg = 1.8 x 1o-4} and o.o7o M in sodium laoTaTe. CaloulaTe The pH of The soluTion i [- N357 47.2"! 2. Consider a buffer soluTion made up of H2P04_ and HP042'. For- HEPDJ“, Kc. = so >< 1o-3. CalculaTe The mole raTio of HPafi- To Ham; ThaT will give a pH of 135? 5-9-1- Ii.- ‘ I . ..- 3. A buffer soluTion is 0.500 M in_asoorbic acid and 0.500 M in sodium aseorbaTe. Ifs pH is 4.10. AfTer addiTion of 10 mL of 10 M NaGH To 100 L of This buffer, oaloulaTe The value of The pH assuming negligible volume change. '. I.-./ I .- 4. CaleulaTe The volume of 0.1060 M NaDH is needed To neuTr‘alize a 50.00 mL sample of 0.0950 M HN03? LL. .l.’_ |_. ! .t_tL. '- - .0 Put: - ' 0' I 5. A 50.00 mL sample of 0.0950 M aae‘riaraeid {KG : 1.8 x 10'5} is being 1'i'rra‘l'ed wiTh 0.0848 M NaDH. Calculafe The pH af‘ier' 28.00 mL of Na0H has been added? - ' . . ._ ~ . ' -—~ _"i'-"-'é' ---—"“‘ w- 8. Isa’ranic saline saluTian is 0.154 M NaCI [aq)Ca|eu1a’re The salubHity af AgCl [Ksp = 1.8 x 10'10} in such a saEuTic-n? T". Willi a precipifaTe form when 10.0 mL of 0.500 M NaCl is added To 10.0 mL af 0.0500 M 891403? The Ksp far AgCl is 1.8 x 10'10. Explain yaur answer. 8. What is she largest mass of solid NaCl That can be dissaived in 1.000 L of 5.00 x 10'3 M AgNUg withauf a preeipifa‘re af AgCl farming? K5; far AgCI is 1.8 x 113-10. ...
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quiz - D33 5‘3“? Problem-solving 1? Name;...

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