What is the Browsed-Lowry equation for HCl and Bromothymol Blue indicator
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What is the Browsed-Lowry equation for HCl and Bromothymol Blue indicator
if the pH indicator bromothymol blue is placed in a buffer solution with pH 7.40, what percentage of the indicator would be in the protonated (Hln) form? Data: pKHln (bromothymol blue)= 7.01
A 0.1 M HCl solution was standardized using the indicators Bromothymol Blue (BB), Methyl Red (MR), Bromocresol Green (BG), and Methyl Orange (MO). The results of the experiment are summarized below. Calculate the mean and standard deviation for each indicator. Based on this data, which indicator was best and why? (10 Points) Standardized Molarity Trial Group 1 Group 2 Group 3 Group 4 1 0.10942 0.1029 0.1293 0.09541 2 0.0954 0.0944 0.1287 0.09651 3 0.09817 0.1055 0.1222 0.09671 4 0.10143...
The solutions you will use include KI, NaBr and K2SO4. You will add phenophthalein or bromothymol blue indicator to each solution as directed. Before proceeding, predict the oxidation and reduction that will occur in each case. Predict the color change of the indicator, if any, that should occur at the anode and cathode in each electrolysis (your textbook should have this information). Predict whether a gas should be formed at the anode or cathode. Remember that water can participate in...
titration of 10mL of Ca(OH)2 solution at 20 degrees to the bromothymol blue endpoint requires 4.86mL of 0.043M HCl solution. What is the initial concentration of Ca2+?
What happens when you mix Sodium Bicarbonate, Bromothymol blue, and Calcium Chloride? What is Bromthymol blue used for in this experiment?
when bromothymol blue was exposed to carbon dioxide what color was the solution? Does this mean you had an acid or a base? why?
What indicator was used to monitor the pH change? Select one: a. thymolphthalein b. horseradish peroxidase c. bromothymol blue d. phenolphthalein
QUESTION 1 6 points Save Answer The purpose of an indicator in an acid-base titration is to indicate the of the titration. Use Table 10.2 for the following question. If an acidic solution is titrated with a basic solution and methyl violet is used as an indicator, the solution color will change from to QUESTION 2 3 points Save Answer The molarity of a solution prepared by dissolving 17.0 g of hydrochloric acid (HCI (aq) in 133 mL of water...
b. Solution B thymol blue: yellow methyl orange: yellow methyl red: yellow bromothymol blue: blue Range of pH:
I
need help with these questions.
Part I.A 1. Why did the indicator initially turn blue when NaOH was added to flask A? Consider equilibrium: Hin + H2O + H2O + In [1 mark] 2. When you left the flask A to stand for several minutes after the addition of NaOH, why did the contents of the flask A slowly change colour back from blue to yellow? Consider equilibriums: Hin + H2O + H30+ + In [2 marks] CO2(g) +...