The pH of a solution is 6.30. What are [H30+1] and [OH-1) in the solution? Kw...
QUESTION 30 In a solution that has a pH = 7.0: [H3O+] = [OH) [H30+1 <[OH] [H30+] > [OH) [H30+1 + [OH] = Kw none of the above
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...
QUESTIONS A solution has a pH of 6.7. What is the concentration, in M, of OH ions in this solution? 5.0 x 10-8 2.0x107 7.6 x 10-9 3.1x 10-5 5.0 x 106 2.0 x 107
10- M. What is the [H30'] in egg 23 The [OH) in a sample of egg whites is 6.3 x 10'M. What is the le IUM whites? A 6.3x10 M B 1.6x10M c.0x10-'M OD 1.0x10" 24 Which solution has the highest pH? 4.3x10-MH0B 1.0 x 10-M H30 C 1.9 X 10 M H20 D 1.0x10-²M 5.0+ 25 Which solution has the lowest pH? A 4.3x10-MH0+ B 1.9 X 10MH,0 C 1.0 x 10 M H20 D 1.0x 10-2MH0+ 26 If...
11. Calculate pH of the following solutions. At 25°C, Kw- [H30*] [OH'] = 1.00 x 10-14 pH=-log [H30 ] a) [H30 ] 2.30 x 10-12 M pOH=- log [OH] pH+ pOH = 14 b) [OH]=9.7x 102 M
SIMULATION Kw, Temperature, and Neutral pH 14.0 Temperature: Basic 50 °C Basic 1 → Calculate Clear 1 Neutral pH 7.01 Neutral => Neutral pH = 6.62 Kw=5.8 10-14 Acidic Acidic 0.0 0.0 50.0 Temperature (°C) 100.0 What is the [H3O+] for a neutral solution at this temperature, 50 °C? X mol/L Next (3 of 8) Recheck 5th attempt Since a neutral solution has equal concentrations of H30+ and OH-, we know that [H3O+] = [OH-] = x and Kw =...
?? PH1. Select ALL the correct statement(s) about a solution with a pH of 4.5. [OH-] > 1.0 x 10-7M It is acidic H30+] < [OH] [H3O+] > 1.0 x 10-7M [H3O+] > [OH) PH2. Select ALL the correct statement(s) about a solution with a pH of 8.5. [H3O+] < [OH-] [H3O+] > [OH-] [OH-] > 1.0 x 10-7M [H3O+] > 1.0 x 10-7M It is basic
Plz answer 1. Calculate the concentration of H30" in a solution that contains 5.0 Identify the solution as acidic, basic, or neutral. A) 2.0x 10-5 M, basic D) 9.0x 10-1 M, acidic 10-10 M OH at 25°C B) 2.0 10-5 M, acidic E) 9.0 10-1 M. basic 2. Calculate the [H3O~] concentration in an aqueous solution with a pH of 9.85 at 25 C c)5.0x 10-10 M, neutral A) 7.1x 10-5 M B) 4.2x 10-10 M C)8.7 10-10 M E)...
46. What is the H30' concentration in 0.0013 M LiOH(aq) at 25 °C? (Kw = 1.01 x 10-4) a. 7.7 x 10-12 M b. 1.3 x 10-3 M c. 1.0 × 10-14 M. d. 1.0 x 10-7M e. 1.3 * 10-17 M
calculate equilibrium dissiociation constant of water help! We know that Kw = 1.0 x 10-14 at 25°C. At 37°C, the [H3O+] in pure water is 1.6 x 10"| M. Calculate the equilibrium dissociation constant of water, Kw, at this temperature. A. 2.6 x 10-14 | CNH-TT H+7: 10 x 10-14 DH = -log(11 B. 1.0 x 10-7 C. 1.0 x 10-14 [1-6x10-?][6.16 *10-8] PH= 6.79 D. 1.6 x 10-7 POH=7. 21