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Question 12 (1 point) In the previous question you considered a solution with a pH =...
Question 11 (1 point) The pH of a aqueous solution is measured to be 10.0; what is the concentration of hydroxide fons (OH') in this solution at 298K - assuming Kw - 1x10-147 O 1x 10-10 M O 1.0 x 10-7M O 1 x 1010 M O 1.0 x 10-14 M 1.0 x 10-4 M
7&8 please! Question 7 Calculate the pH of a solution if the concentration of OH-is 6.79 x10^(-8) M (1 point) O 14 O 6.83 O 7.17 O None of the above Question 8 Calculate the concentration of H+ ions if the pOH of the solution is 3.56. (1 point) O 1x10^(-14) M O 2.75 x10^(-4) M O 3.63 x10^(-11) M O None of the above
QUESTION 6 What is the hydronium (H30*) concentration of a solution with a pH of 5.16? You can enter your answer in exponential notation. For example, 1.0*10-5 would be expressed as 1.0E-5
Question 47 (1 point) Calculate the pH of a solution that is 0.310 Min sodium formate (NaHCO2) and 0.190M in formic acid (HCO2H). The Ką of formic acid is 1.77 x 10-4. 13.79 3.532 3.958 4.975 10.04 MOCRA Question 42 (1 point) What is the hydronium ion concentration of a 0.100 M hypochlorous acid solution with Ka = 35 x 10-87 The equation for the dissociation of hypochlorous acid is: HOCH(aq) + H2011) =H30*(aq) + OCH@g). O 1.9 x 10-5...
Not enough Question 48 Calculate the hydrogen concentration of a solution with pH =2.4 (1 point)* 0 -0.000324 0 -0.54 O 0.000324 Not enough information Question 49 Calculate the hydrogen concentration of a solution with pH =9 (1 point) * -9.54 ОО -Not enough information Te-9 9.54 Question 50 . 29 Question 32 What is the pH of a 0.0045 M HBr solution? (1 point) * O 11.65 0 13.2 O 2.35 7.05 Question 33 What is the pOH of...
Question 1 (1 point) Which of the following statements about acids is NOT true? a) An acid increases the concentration of hydronium in solution. b) An acid is a proton donor. c) An example of an acid is HBr. d) An acid increases the concentration of protons in solution. e) An acid increases the concentration of hydroxide in solution. Question 2 (1 point) Which of the following changes in blood pH would you expect to observe in a hyperventilating patient,...
Question 10 (1 point) Common "pool acid", that can be purchased at any hardware store, is called muriatic acid and is actually 10 M HCl in water. Recognizing that HCl is a strong acid and fully dissociatesythe [H30") concentration of muriatic acid can be assumed to be 10.0 M - calculate the pH of a muriatic acid solution. OpH = 1 OpH = -10 O pH=2 O pH = -1 O pH = 10
Question 3 (1 point) What is the pH of a 0.200 M solution of NaF? HF has a Ka of 3.4 x 10-4. 8.38 10.5 3.46 2.08 11.9
Question 8 (1 point) The hydroxide ion concentration of a solution is 1 x 10-6 M. What is the pH of the solution, and is it acidic or basic? O pH=6, acidic O pH=6, basic O pH-8, basic pH=8, acidic Question 9 (1 point) A water solution is considered acidic when what is true? (H)-(OH) [HT}<[OH
9.54 Question 50 Calculate the hydrogen concentration of a solution with pH =10.6 (1 point)* -1.03 01.03 jur 39800000000 Not enough information ree ook sda Question 51 Calculate the hydrogen concentration of a solution with pH 48 (1 point) -0.67 А. OO 0.0000158 0.68 Not enough information A: 29 tv esc F2 F3 G H ol