21.
pH = - log [H3O+]
So, pH = - log (2.7×10-3)
= 2.57.
22.
pH = - log [H3O+]
Given, pH = 4.08
So, - log [H3O+] = 4.08
Or, [H3O+] = 10-4.08
Or, [H3O+] = 8.3×10-5 M.
23.
At 250 c
[H3O+] [OH-] = 10-14
Or, 5×10-8 × [OH-] = 10-14
Or, [OH-] = (10-14 /5×10-8)
Or, [OH-] = 2.0× 10-7 M.
QUESTION 21 What is the pH of a solution with a hydronium (Ho concentration of 2.7...
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
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 23 What is the hydroxide (OH) concentration of a solution with a hydronium (H30+) concentration of 1 x 10 11? QUESTION 24 What is the hydronium (H30) concentration of a solution with a hydroxide (OH-) concentration of 4.1* 10-??
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.
QUESTION 23 What is the hydroxide (OH) concentration of a solution with a hydronium (H30*) concentration of 6.1 x 10-3? 3 points
QUESTION 21 What is the pH of a solution with a hydronium (H30 ) concentration of 3.9 107M.
QUESTION 8 What is the hydroxide (OH) concentration of a solution with a hydronium (H3ot) concentration of 4.7 x 10-117 You can enter your answer in exponential notation. For example, 1.0x10-5 would be expressed as 1.0E-5
QUESTION 8 What is the hydroxide (OH) concentration of a solution with a hydronium (H3ot) concentration of 6.1 x 10-3? You can enter your answer in exponential notation. For example, 1.0x10-5 would be expressed as 1.0E-5
QUESTION 23 What is the hydroxide (OH) concentration of a solution with a hydronium (H30concentration of 5.3 * 10-11?