Question

QUESTION 1 Which indicator would be the best to use for a titration between 0.10 M...

QUESTION 1

Which indicator would be the best to use for a titration between 0.10 M HF with 0.10 M NaOH? You will probably need to consult the appropriate table in the book.

A.

thymol blue, color change at pH 8-10
B.

methyl violet, , color change at pH 0-2
C.

alizarin yellow R, color change at pH 10-12
D.

methyl red, color change at pH 3-5
E.

bromothymol blue, color change at pH 6-8
Science   Chemistry   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Which of the following indicators would be most suitable for the titration of 0.10 M (CH3)3N...
Which of the following indicators would be most suitable for the titration of 0.10 M (CH3)3N (Kb = 6.5×10−5) with 0.10 M HCl? Transition ranges in pH units are given in parentheses after the indicator name. 1. thymol blue (1.2 - 2.8) 2. alizarin yellow (10.1 - 12.0) 3. phenolphthalein (8.0 - 9.6) 4. bromocresol green (3.8 - 5.4) 5. chlorophenol red (4.8 - 6.4) 6. bromothymol blue (6.0 - 7.6)
Methyl orange is an indicator with a Ka of 3.4 × 10−4 . Its non-ionized form...
Methyl orange is an indicator with a Ka of 3.4 × 10−4 . Its non-ionized form is red, while its ionized form is yellow. At a pH of exactly 4.00, this indicator’s color would best be described as which of the following colors? 1. blue 2. green 3. cyan 4. yellow 5. orange 6. yellow-orange 7. red 8. red-orange 9. purple
Which of these indicators would be the best choice for the titration of HBr(aq) with NH3(aq)...
Which of these indicators would be the best choice for the titration of HBr(aq) with NH3(aq) ? Assume 0.1 M solutions A) methyl orange, pKIn = 3.4 B) * bromocresol green, pKIn = 4.7 C) bromothymol blue, pKIn = 7.1 D) phenolphthalein, pKIn = 9.4 the answere is B but im not sure why
Calculate the pH at the second stoichiometric point when 160 mL of a 0.020 M solution...
Calculate the pH at the second stoichiometric point when 160 mL of a 0.020 M solution of oxalic acid (Ka1=5.4*10-2, Ka2=5.4*10-5) is titrated with 2.0 M NaOH. What is the most suitable indicator for this titration? bromocresol purple bromocresol green phenol red methyl red phenolphthalein methyl orange t hymol blue thymolphthalein
Indicator Low pH color Transition pH range High pH color Thymol blue (first transtion) Red 1.2...
Indicator Low pH color Transition pH range High pH color Thymol blue (first transtion) Red 1.2 - 2.8 Yellow Methyl red Red 4.4 - 6.2 Yellow Bromothymol blue Yellow 6.0 - 7.6 Blue Thymol blue (second transition) Yellow 8.0 - 9.6 Blue Phenolphthalien Colorless 8.3 - 10.0 Fuchsia 1. Select all of the following statements that are true about the universal indicator used in this experiment A.The universal indicator is a single chemical compound. B. At pH 1.2 the indicator...
(a) How did the mL of titrant needed to reach the endpoint using the indicator you...
(a) How did the mL of titrant needed to reach the endpoint using the indicator you chose (Part 3) compare with the mL of titrant needed to reach the equivalence point (Part 2)? (b) What does this say about these two methods? Is one a better means of monitoring a titration than the other? Why or why not? Table 1: Indicator, pH Range, and Color Change Flask Indicator Amount Needed for Reaction to Complete pH Range pH at Color Change...
When 50.00 mL of an acid with a concentration of 0.122 M (for which pKa =...
When 50.00 mL of an acid with a concentration of 0.122 M (for which pKa = 4.94) is titrated with 0.100 M NaOH, what is the pH at the equivalence point? Which one of the following indicators could be used for the titration? The approximate pH range of the color change has been included in parenthesis. Methyl green (0.2-1.8) Ethyl red (4.0-5.8) Phenolphthalein (8.2-10.0) or None of these
1.) You will work with 0.10 M acetic acid and 17 M acetic acid in this...
1.) You will work with 0.10 M acetic acid and 17 M acetic acid in this experiment. What is the relationship between concentration and ionization? Explain the reason for this relationship 2.) Explain hydrolysis, i.e, what types of molecules undergo hydrolysis (be specific) and show equations for reactions of acid, base, and salt hydrolysis not used as examples in the introduction to this experiment 3.) In Part C: Hydrolysis of Salts, you will calibrate the pH probe prior to testing...
Part 1: What is the concentration of your NaOH(aq) solution? 1.00×10-1 M NaOH Ok. Part 2:...
Part 1: What is the concentration of your NaOH(aq) solution? 1.00×10-1 M NaOH Ok. Part 2: You will then make a Kool-Aid solution by dissolving the powder in an entire packet of lemon-lime Kool-Aid in 250.00 mL solution.  You find the powder in a packet of lemon-lime Kool-Aid has a mass of 3.654 g. In Part 2 of the lab you titrate 5.00 mL of the lemon-lime Kool-Aid (with 5 drops of thymol blue indicator) with your NaOH(aq) solution. The titration...
Suppose the makers of M&M candies give the following average percentages for the mix of colors...
Suppose the makers of M&M candies give the following average percentages for the mix of colors in their bags of plain chocolate M&M's. Stated Distribution of Colors Brown Yellow Red Orange Green Blue    Percent      30%   20%   20%   10%   10%   10%    Now, you randomly select 200 M&M's and get the counts given in the table below. You expected about 20 blues but only got 8. You suspect that the maker's claim is not true. Observed Counts by Color...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT