HI ------------------------------------- NaOH
MA = 0.13M ----------------------- MB = 0.11M
VA = 108ml ------------------------VB = 111ml
M = MAVA-MBVB/VA + VB [ MAVA >MBVB]
= 0.13*108-0.11*111/(108+111)
= 1.83/219
= 0.008356
[H^+] = M = 0.008356M
PH = -log[H^+]
= -log0.008356
= 2
1.9>>>>answer
Question 7 7 pts A titration of a 108.0 mL aqueous solution of 0.13 MHI with...
A titration of a 183.0 mL aqueous solution of 0.30 M HN3, a weak acid with a K of 1.9 x 10-5, with 0.18 M NaOH is performed. What is the pH of the solution after 78.0 mL of NaOH has been added (at 25°C)? 0 4.26 10.32 oo 6.91 4.83 Next DLL
A titration of a 75.0 mL aqueous solution of 0.12 M acetic acid, a weak, monoprotic acid with a Ka of 1.76 × 10–5, with 0.30 M NaOH is performed. What is the pH of the solution after 10.0 mL of NaOH has been added (at 25oC)? Group of answer choices 5.24 3.98 8.21 6.17 4.45
An acid-base titration is performed: 250.0 mL of an unknown concentration of HCl(aq) is titrated to the equivalence point with 36.7 mL of a 0.1000 M aqueous solution of NaOH. Which of the following statements is not true of this titration? A. At the equivalence point, the OH−concentration in the solution is 3.67×10−3 M. B. The pH is less than 7 after adding 25 mL of NaOH solution. C. The pH at the equivalence point is 7.00. D. The HCl...
Question 28 3 pts What is the pH of an aqueous solution after 10.0 mL of 0.20 M NaOH is added to a 35.0 mL of 0.30 MHCIO? 05.12 2.77 O 3.48 6.89
Question 29 3 pts What is the pH of an aqueous solution after 20.0 mL of 0.60 M NaOH is added to a 40.0 ml. of 0.30 MH2C2O4? O 4.26 7.95 O 2.71 8.31
a)What is the pH of an aqueous solution made by combining 37.75 mL of a 0.3805 M sodium formate with 40.09 mL of a 0.3795 M solution of formic acid? b)What is the pH of an aqueous solution made by combining 10.38 mL of a 0.1884 M hydrochloric acid with 42.76 mL of a 0.3314 M solution of ammonia? c)In a titration of 47.63 mL of 0.3786 M ammonia with 0.3786 M aqueous nitric acid, what is the pH of...
Titration curve question: 1) A 22.6 mL sample of a 0.394 M aqueous hydrocyanic acid solution is titrated with a 0.496 M aqueous sodium hydroxide solution. What is the pH at the start of the titration, before any sodium hydroxide has been added? pH = __ 2) A 28.1 mL sample of 0.212 M dimethylamine, (CH3)2NH, is titrated with 0.325 M perchloric acid. The pH before the addition of any perchloric acid is ___ . Use the Tables link in...
A titration is performed on 50mL of a 0.10 M solution of HN3 (Ka+1.9x10-5) with 0.10 M NaOH as the titrant. (a) What is the initial pH of the HN3 solution? (b) Calculate the pH of the solution after 25 ml of NaOH have been added (c) How many mL of NaOH are required to reach the equivalence point and what is the pH of the solution at the equivalence point.
A) A 21.5 mL sample of a 0.452 M aqueous nitrous acid solution is titrated with a 0.356 M aqueous sodium hydroxide solution. What is the pH at the start of the titration, before any sodium hydroxide has been added? pH = B) A 42.1 mL sample of a 0.399 M aqueous acetic acid solution is titrated with a 0.219 M aqueous sodium hydroxide solution. What is the pH after 51.8 mL of base have been added? pH = C)...
this question. When a 21.0 mL sample of a 0.411 M aqueous hydrocyanic acid solution is titrated with a 0.300 M aqueous barium hydroxide solution, what is the pH after 21.6 mL of barium hydroxide have been added? PH Submit Answer Retry Entire Group 5 more group attempts remaining What is the pH at the equivalence point in the titration of a 23.3 ml sample of a 0.347 M aqueous hypochlorous acid solution with a 0.395 M aqueous barium hydroxide...