A solution is made with 554 ml of 8.21 M HX solution and 549 mL of 6.06 M Nax solution and the pH at equilibrium found to be 6.700. What is the pK, of this solution?

1 4 8. 10 An analytical chemist is titrating 94.4 mL of a 0.5900M solution of ammonia (NH,) with a 0.1400M solution of HIO,. The p K, of ammonia is 4.74. Calculate the pH of the base solution after the chemist has added 307.6 mL of the HIO, solution to it. Note for advanced students: you may assume the final volume equals the initial volume of the solution plus the volume of HIO, solution added. Round your answer to 2 decimal places. pH = 0 Submit Assi Continue © 2022 McGraw Hill LLC. AlI Rights Reserved. Terms of Use | Privacy Center Ac III

Cacodylic acid (dimethylarsinic acid, HASO2(CH3)2) is a common buffer used in biology to prepare and fix biological samples. The pKa of cacodylic acid is 6.3. Part A What is the pH of a buffer solution prepared by mixing 20.0 mL of 0.0600 mol L-'NaOH with 20.0 mL of 0.105 mol L-!cacodylic acid? Express your answer using one decimal place. femplates Symbols uado redo reset keyboard shortcuts help, pH = Submit Request Answer Part B What is the pH of the buffer solution in part A after 0.0002 moles of H30+ was added to the mixture? Express your answer using one decimal place. Templates Symbols undo redo reset keyboard shortcuts help, pH =

9:23 A 24.2 mL sample of 0.393 M triethylamine, (C,Hg),N, is titrated with 0.363 M nitric acid. After adding 40.1 mL of nitric acid, the pH is Use the Tables link in the References for any equilibrium constants that are required.

(c) 100.9 mL of 0.49 M HBr titrated with 0.25 M KOH The acid is: The base is: Strong Strong The halfway point pH is: Enter

What volume (mL) of 0.2173M NaOH is required to titrate 50.00mL of 0.2980M HCI ?In the titration of 50.00mL of 0.2980M HCl. 71.93mL of 0.2173M NaOH was required to reach the phenolphthalien endpoint. Calculate the percent error between the predicted amount and the experimental amount. What does this tell you about the concentration of the NaOH? This is based on your answers to questions 1 and 2. Question 3 options: The concentration of the NaOH is 0.2173M. The concentration of the NaOH is stronger that 0.2173M. Nothing new The concentration of the NaOH is weaker than 0.2173M. Please answer fast i give upvote.

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Which conjugate acid-base pair would be the best choice when preparing a buffer of pH 5.23?

Calculate the Ph in the titration of 40 ml of 0.150M acetic acid by sodium hydroxide after the addition to the acid solution of: A) 15 ml of 0.150M NaOH B) 40 ml of 0.150M NaOH C) 60 ml of 0.150M NaOH :

A buffer solution is prepared that is 0.78 M HCN and 0.14 M NaCN. What is the pH of the solution? (Ka(HCN) = 4.9 × 10−10) 4 sig figs please