NMPI
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Calculate pH and buffer index of 0.009 M HOCl and 0.003 M NaOCl.(Given Pka of HOCl =7.54 and Kw =1o^-14)
Calculate the pH of 0.015M NaOCl. No K value is given.
Given 100.0 mL of a buffer that is 0.50 M in HOCl and 0.74 M in NaOCl, what is the pH after 10.0 mL of 1.0 M NaOH has been added? (Ka for HOCl = 3.5 × 10–8) Select one: a. 7.78 b. 7.46 c. 7.72 d. 7.66
Calculate the pH of a solution that is 0.650 M HOCl and 1.10 M OCl-.
Given that Kw for water is 2.4 x 10-14 at 37 °C, calculate the pH of a neutral aqueous solution at 37 °C, which is the normal human body temperature. PH - Is a pH 7.00 solution acidic, basic, or neutral at 37 °C? O acidic O basic O neutral
What is the pH of a buffer that is 0.34 M HF (pKa = 3.15) and 0.77 M KF? A. A) 2.23 B. B) 11.11 C. C) 4.42 D. D) 3.51 E. E) 2.86
Question 14 (1 point) Calculate the pH of a buffer that is 0.268 M HC2H302 and 0.322 M LIC2H302. The Ka for HC2H302 is 1.8 x 10-5 4.72 4.82 O926 4.74 4.60
2. Is Kw the same thing as Ka? Explain. 5. Calculate the pH of a buffer composed of 0.100 M acetic acid (CH3COOH) and 0.600 M acetate (CH3COO') knowing that the acid dissociation constant Ka is 1.80 x 105
Create a buffer solution such that the pH=pKa, by adding half the amount of 1.00 M NaOH (prepared from the 6M NaOH provided in your kit) needed to reach the endpoint of 10 mL of vinegar. HELP!! How much do I mix together
The pH of a 0.1 M phosphate buffer (pka = 6.86) that contains equal amounts of acid and conjugate base is 6.86 7.96 5.26 4.56
For HF Pka=3.45 What is the pH of an aqueous buffer solution that is 0.100 M HF and 0.300 M KF (aq) Please give answer as well as detailed instructions. Thanks!!!