Super Ninja has a 10.00 mL sample of 0.15 M of chlorous acid, HClO2(aq). 1)This acid is titrated with 0.20 M sodium hydroxide, NaOH. (i) Calculate the initial pH of the acid before titrating. (ii) Calculate the pH at the equivalence point. (iii) what indicator would you choose for this titration? explain why?

Super Ninja has a 10.00 mL sample of 0.15 M of chlorous acid, HClO2(aq). 1)This acid is titrated with 0.20 M sodium hydroxide, NaOH. (i) Calculate the initial pH of the acid before titrating. (ii) Calculate the pH at the equivalence point. (iii) what indicator would you choose for this titration? explain why?

Introduction to General, Organic and Biochemistry

11th Edition

ISBN:9781285869759

Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres

Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres

Chapter30: Nutrition

Section: Chapter Questions

Problem 30.60P

See similar textbooks

Similar questions

concentration of unknown yellow dye (uM)
Molar concentration of the dye stock solution: 2.52e-5 mol/L Solutions(Dilutions) Absorbance (A)(a.u.) 1 0.086 2 0.179 3 0.366 4 0.532 Solution 1: 1.00 mL of Blue#1 Stock Solution and 19.00 mL of distilled water Solution 2: 2.00 mL of Blue#1 Stock Solution and 18.00 mL of distilled water Solution 3: 4.00 mL of Blue#1 Stock Solution and 16.00 mL of distilled water Solution 4: 8.00 mL of Blue#1 Stock Solution and 12.00 mL of distilled water Using linear regression determine the absorbance/concentration relationship for the dye. [dye] = x A I got 0.00001920x but the answer is wrong can someone please help?
What is the concentration of Pb2+ in a 1.2 M NaCl solution? (Ksp of PbCl2=1.7x10-5) a. 1.4x10-51M b. 2x10-5M c. 1.7x10-5M d. 8.5x10-6M
What percentage of glycinamide, H,NCH,CONH, (pK 8.20) is unprotonated at a) pH = 7.5, b )pH=8.2, and) pH = 9
Solution Concentration of FeSCN2+ (M) Absorbance1 0.0000491 0.3112 0.0000818 0.5763 0.000115 0.7554 0.000152 0.9075 0.000196 1.185 Solution Concentration of FeSCN2+ (M) Absorbance 1 0.0000491 0.311 2 0.0000818 0.576 3 0.000115 0.755 4 0.000152 0.907 5 0.000196 1.185 A series of aqueous solutions of FeSCN2+ of different concentrations were prepared, and the absorbance of each was measured at a wavelength of 455 nm. Use Excel or Google Sheets to prepare a useful graph of the data (given below) that could be used to determine the concentration of an unknown solution from its absorbance. Ensure your graph is properly formatted and labeled. Click the…
Calculatethemassofammoniagasthatisproducedif1.25gofammoniumcarbonatedecomposes completely.
STATEMENTS: A - a clayey soil when flooded with a solution containing a negative dye, retains the dye and the leachate becomes clear. B - a clayey soil when flooded with a solution containing a positive dye, retains the dye and the leachate becomes clear. A- both statements are trueB- neither statements are trueC- only statement A is true D- only statement B is true
1.Write the equation for reaction between Mg2+ and EDTA (H2Y2 ) 2. Write the equation for reaction between Ca2+ and EDTA (H2Y2-) thank you :)
I only need: Classification: ( SFA, MUFA, PUFA) Classification: ( ESSENTIAL OR NON ESSENTIAL)
A 0.800 ml aqueous solution of NADH shows an absorbance at 340 nm of A = 0.333. Express (in nanomole (nm) units) how much NADH is contained in the sample. (e340 = 6290 mol • L −1 • cm
Explain how EDTA binds to a heavy metal
The Ksp for BaCO3 is 5.1×10−9.5.1×10−9. How many grams of BaCO3 will dissolve in 1000. mL of water?