Given:
[H3O+] = 2.8*10^-5 M
use:
pH = -log [H3O+]
= -log (2.8*10^-5)
= 4.5528
Answer: 4.55
nat is the pH of a solution with [H30] 3.9 x 10-9M? 39. What is the pH of a solution with [H301- 2.9 x 10-6 M? . What is the pOH of a solution with [OH] 12.2 x 10 M?
Saved Calculate the pH of a solution that has [H30*)= 1.0 x 10-6 M. Multiple Choice pH = 1.00 pH = 7.00 pH = 6.00 < Prev 45 of 60 !!! Next > search O PRE
The pH of a solution is 6.30. What are [H30+1] and [OH-1) in the solution? Kw = 1.0 x 10-14 at 25°C 1) [H3O+] = 5.0 x 10-7, (OH"] = 2.0 x 10-8 O2) [H30*) = 6.3 x 10-7. [OH-] = 7.7 x 10-8 3) (H30+1 = 2.0 x 106, (OH") = 5.0 x 107 O4) [H30+) - 2.0 x 10-8, (OH") = 5.0 x 10-7 5) [H3O+] = 1.6 x 10-1 (OH'] = 1.3 x 10-1
QUESTION 21 What is the pH of a solution with a hydronium (H30+) concentration of 4.6 x 10-5 M. QUESTION 22 What is the hydronium (H30) concentration of a solution with a pH of 2.09?
QUESTION 21 What is the pH of a solution with a hydronium (H30+) concentration of 6.9 x 104 M. QUESTION 22 What is the hydronium (H30+) concentration of a solution with a pH of 10.34? QUESTION 23 What is the hydroxide (OH") concentration of a solution with a hydronium (H30*) concentration of 3.2 x 10-27 QUESTION 24 What is the hydronium (H20) concentration of a solution with a hydroxide (OH-) conccentration of 5,4 x 1067
8) Calculate the [H30+) and the pH of a 0.021 M HNO3 solution. A) 4.8 x 10-13 M and 12.32 B) 4.8 * 10-13 M and -12.32 C) 0.021 M and -1.68 D) 0.021 M and 1.68
QUESTION 21 What is the pH of a solution with a hydronium (H30+) concentration of 4.6 x 10-5 M.
QUESTION 21 What is the pH of a solution with a hydronium (H30+) concentration of 4.6 x 10-5 M.
Incorrect Question 1 0/4 pts What is the pH of a solution with [H30+1 = 2.19 x 10^M? 3.0 3.7 10.03 6.32 Incorrect Question 2 0/4 pts A solution is prepared by dissolving 111.9 g HCl in enough water to make 160L of solution. The pH of this solution is: O 3.1 O none of these O 17
Which of the following statements describes a basic solution? 1. [H30+]> [OH] 2. [H30]<[OH] 3. [H30'] x [OH] #1 x 10-14 4. [H3O+]/[OH] = 1 x 10-14 5. [H3O+]/[OH]=1 If the pH of a solution is 10, what is the hydronium, H ion concentration? 1. A) 1 x 10-10 M 2. B) 1 x 1010 M 3. C) 10 M 4. D) 10 M 5.E) * 1 1010 M As the pH increases the hydroxide ion concentration 1. A) goes...