Construct a rough plot of pH versus volume of added base for the titration of 50 mL of 0.045 M HCN with 0.075 M NaOH.
(a) What is the pH before any NaOH is added?
(b) What volume of base, in milliliters, is required to reach the equivalence point?
(c) What is the pH at the equivalence point?
(d) What indicator would be most suitable to determine the endpoint?
bromocresol green
Alizarin yellow GG
Bromthymol blue
bromcresol purple
Homework Answers
![a) pH = pkeet & loge pka= -log (4.0x100) [pkatloge ] - $(9-39 +log(6.045)) =>4.02 = 9.39 2 0 .015 HON & Naot NacNT HO MINI =](http://img.homeworklib.com/questions/c9642170-0f49-11ea-bede-496e44dd35b2.png?x-oss-process=image/resize,w_560)
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Construct a rough plot of pH versus volume of added base for the titration of 50 mL of 0.045 M HCN with 0.075 M NaOH.
Construct a rough plot of pH versus volume of added base for the titration of 50...
Construct a rough plot of pH versus volume of added base for the
titration of 50 mL of 0.070 M HCN with 0.075 M NaOH. Ka = 4.0*10-10
for HCN
(a) What is the pH before any NaOH is added?
(b) What volume of base, in milliliters, is required to reach the
equivalence point?
(c) What is the pH at the equivalence point?
(d) What indicator would be most suitable to determine the
endpoint?
(1).bromcresol purple
(2).bromocresol green
(3).Bromthymol blue...
Construct a rough plot of pH versus volume of added base for the titration of 50...
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The following graph shows the pH curve for the titration of 25 mL of a 0.1 M monoprotic acid solution with a 0.1 M solut...
The following graph shows the pH curve for the titration of 25
mL of a 0.1 M monoprotic acid solution with a 0.1 M solution of a
monoprotic base.
#1's drop down menus both read weak/strong.
#2's drop down menu features a list of all the colors listed on the
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Construct a rough plot of pH versus volume of added base for the
titration of 50 mL of 0.070 M HCN with 0.075 M NaOH. Ka = 4.0*10-10
for HCN
(a) What is the pH before any NaOH is added?
(b) What volume of base, in milliliters, is required to reach the
equivalence point?
(c) What is the pH at the equivalence point?
(d) What indicator would be most suitable to determine the
endpoint?
(1).bromcresol purple
(2).bromocresol green
(3).Bromthymol blue...
The following graph shows the pH curve for the titration of 25
mL of a 0.1 M monoprotic acid solution with a 0.1 M solution of a
monoprotic base.
mL of 0.1 M base added
(1) The pH curve represents the titration of a
_______(weak/strong) acid with a _______(weak/strong)base.
(2) Choose a suitable indicator for the endpoint
of the titration from the following pulldown list
__________.(bromocresol green / methyl red / bromothymol blue /
cresol red / thymol blue /...
The following graph shows the pH curve for the titration of 25
mL of a 0.1 M monoprotic acid solution with a 0.1 M solution of a
monoprotic base.
#1's drop down menus both read weak/strong.
#2's drop down menu features a list of all the colors listed on the
graph.
0 5 10 15 20 25 30 35 40 45 50 mL of 0.1 M base added (1) The pH curve represents the titration of a __ acid with...
Name Section/CRN EXPERIMENT 9 POTENTIOMETRIC DETERMINATION OF AN EQUILIBRIUM CONSTANT PRE-LABORATORY QUESTIONS The following preparatory questions should be answered before coming to lab. They are intended to introduce you to several jdeas that are important to aspects of the experiment. You must turn in your work to your instructor before you will be allowed to begin the experiment. Potassium acid phthalate, KHP (KHC4H&O4), is a primary standard reagent used to determine exactly the concentration of a solution of base, such...
Consider a titration in which 0.03 M NAOH is added to 1 drop of 0.12 M HCl. Sketch the pH curve. A sketch is a rough picture of the general shape of the curve with the requested points and axes cor rectly labeled On your curve, show: (a) The volume of 0.03 M NAOH needed to reach the equivalence point. (b) The pH at the equivalence point. (c) The pH at the beginning of the titration before any 0.03 M...
9 Consider a titration in which 0.03 M NaOH is added to 1 drop of 0.12 M HCl. Sketch the pH curve. A sketch is a rough picture of the general shape of the curve with the requested points and axes correctly labeled. On your curve, show: (a) The volume of 0.03 M NaOH needed to reach the equivalence point. (b) The pH at the equivalence point. (c) The pH at the beginning of the titration before any 0.03 M...
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