Question 5 of 12 Submit The pH of an acidic solution is 5.57. What is POH? 1 4 7 +/- 2 5 8 : 3 6 9 0 x 10 21:19 Question 6 of 12 Submit Rank the following in order of most acidic to least acidic. Solution X pH = 8.50 Solution Y pOH = 4.30 Solution Z [OH-] = 4.2 x 10-9 M A) Z > X > Y B) Y > > C)Y>Z> D) X > Y>Z
Question 2 of 10 Submit What is the pH of a 9.3 x 10-6 M KOH solution? 1 2 3 +/- 0 x100 x 100 Tap here or pull up for additional resources
Question 6 of 12 Submit What is the pH of a 0.0550 M solution of hydrocyanic acid, HCN (Ka = 4.9 x 10-10)? 1 4 7 +/- 2 5 8 : 3 6 9 0 x 10
Submit Question 12 of 30 Calculate the pH when 20.0 mL of 0.150 M KOH is mixed with 16.0 mL of 0.300 M HBrO (Ka = 2.5 x 10) 8. 1 3 N 4 5 6 с 7 8 9 +/- 0 X 100
21:19 Question 7 of 12 Submit Rank the following in order of most acidic to least acidic. Solution X pH = 6.50 Solution Y pOH = 10.30 Solution Z (OH) = 4.2 x 10-9M A) Z > Y>X B) Y > > C)Y>Z>X D) X > Y>Z Question 8 of 12 Submit What is the pH of a 4.5 x 10-M HCIO, solution? 1 4 7 +/- 2 5 8 : 3 6 9 0 x 10
Calculate [OH -] and pH for each of the following solutions. (a) 0.0061 M KOH [OH-] = ? M pH=? (b) 0.0225 g of KOH in 540.0 mL of solution [OH-] = ? M pH=? (c) 53.0 mL of 0.00788 M Sr(OH)2 diluted to 700 mL [OH-] = ? M pH=? (d) A solution formed by mixing 44.0 mL of 0.000590 M Sr(OH)2 with 25.0 mL of 3.2 x 10-3 M KOH [OH-] = ? M pH=? Calculate [OH-] and...
( Question 33 of 37 Submit The pH of a basic solution is 8.65. What is [H]? 1.7 x 10 -10 M 3 1 2 4 5 6 с 7 8 9 +/- 0 X 100 dtv A
Calculate the pH of each solution. A. 7.55×10−2 M HBr B. 6.28×10−3 M KOH C. 1.89×10−3 M HNO3 D. 5.54×10−4 M Sr(OH)2 E. [OH−] = 9.9×10−7 M F. [OH−] = 8.6×10−8 M G. [OH−] = 9.2×10−11 M H. [OH−] = 3.4×10−2 M
7.(6 pts) Calculate the pH, [OH], and pOHl of a 0.0035 M HCl aqueous solution: 8. (6 pts) What are the [Hs0'1, (OH], and poH in a solution with a pH of 3.82? 9. (6 pts) What are the [H:0'], [OH], and pH in a solution with a pOH of 11.75? pH = pOH= , [OH'] = POH ' [OH'] = 10. (6 pts) Calculate the [H30, [OH1, and pH a 0.040 M Ba(OH)2 solution. [OH-11- pH=
What is the pH of a 4.0 x 10-8 M solution of HCl(aq) at 25 °C? Report your answer to the hundredths place. 6.53 0 pH = Consider the reaction. CH,CH,0 + HCECH =HCEC:" + CH, CH,OH Classify each reactant and product as an acid or base according to the Brønsted theory. Acid Base CH,CH,0 HCEC" HCECH CH,CH, OH Answer Bank Each value represents a different aqueous solution at 25°C. Classify each solution as acidic, basic, or neutral. Acidic Basic...