If [H3O+] = 2.65x10–4 M, what is [OH–]? If [H3O+] = 2.65x10–4 M, what is [OH–]?
a. 2.65 x 10–18 M
b. 2.65 x 1010 M
c. 2.65 x 10–4 M
d. 3.77 x 10–11 M
If [H3O+] = 2.65x10–4 M, what is [OH–]? If [H3O+] = 2.65x10–4 M, what is [OH–]?...
The [H3O+] in a cabernet sauvignon wine is 5.9 x 10-4 M. What is the (-OH) in this wine? O A) 1.0 x 10-7 M-OH O B) 5.9 x 10-4 M -OH OC) 1.0 x 10-14 M-OH OD) 1.7 x 10-11 M -OH E) 5.9 x 10-18 M OH
If the [OH–] of a solution is 1.5 × 10–4 M, the [H3O+] is ... (use parethesis to help) A. 1.2 x 10-2 B. 1.0 x 10-7 C. 1.5 x 10-3 D. 6.3 x 10-6 M E. 6.7 x 10-11 M
Calculate the pH of each solution given the following [H3O+] or [OH−] values. a)[H3O+] = 4.0×10−4 M Express your answer using two decimal places. b)[H3O+] = 8.0×10−9 M c)[OH−] = 7.0×10−5 M d)[OH−] = 4.5×10−11 M e)[H3O+] = 8.0×10−8 M f)[OH−] = 8.6×10−4 M
Calculate either [H3O+] or [OH−] for each of the solutions. Solution A:[OH−]=2.59×10−7 M Solution A: [H3O+]= M Solution B:[H3O+]=8.91×10−9 M Solution B: [OH−]= M Solution C:[H3O+]=7.61×10−4 M Solution C: [OH−]= M Which of these solutions are basic at 25 °C? A:[OH−]=2.59×10−7 M B:[H3O+]=8.91×10−9 M
1. For the strong acid solution 0.0098 M HClO4, determine [H3O+] and [OH−]. Express your answers using two significant figures. Enter your answers numerically separated by a comma. For this solution determine pH. 2. For the strong acid solution 7.5×10−3 M HBr, determine [H3O+] and [OH−]. For this solution determine pH. 3. For the strong acid solution 3.77×10−4 M HI, determine [H3O+] and [OH−]. 4. For this solution determine pH. For the strong acid solution 0.0978 M HNO3, determine [H3O+]...
Calculate either [H3O+] or [OH-] for each of the solutions. Solution A: [OH-] = 1.29 x 10-7 M Solution A: [H3O+] = M Solution B: [H3O+] = = 9.97 x 10-9 M Solution B: [OH-] = M Solution C: [H3O+] = 6.69 x 10-4 M Solution C: [OH-] = M Which of these solutions are basic at 25 °C? A: [OH-] = 1.29 x 10-7 M
calculate the [OH-] when the [H3O+] has the following values. complete the following table. 4. Calculate the [OH-] when the [H3O+] has the following values: a. [H3O+]= 1x 10-3M= b. [H3O+]= 1x 10-10 M c. [H3O+]= 1x 10-6 M d. [H30*)= 2.8 x 10-13 M e [H3O+] = 8.6 x 10-7M 5. Complete the following table [H:0"] 1x 10-8 M [OH) pH acidic, basic, or neutral 0.001 2 x 10-5 1 x 10-12 M 10 5 x 10-8 M neutral
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...
6. Which of the following solutions is acidic [H3O+] = 7.0 x 10-7 M B)/ [H3O"] = 1.5 x 10-10 M C) [H3O+] < 7.0x10-7 M D) [H30]> 7.0 x 10'M E) 「HOT! = 1.0x10-14 M 25. The pH of tomato juice is about 4.5 Calculate the concentration of hydrogen ions in this juice A) 3 x 10-10 B) 3 x 10-5 M C) 5 x 104 M D) 4 M E) 3 x 1010 M
(b) A saturated solution of Mg (OH)2 is 3.2 x 10-4 M. What is the H3O+ (Hydronium ion) and hydroxide ion concentrations in the solution at 25oC.