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The pH of a solution which is 0.01M HC2H2O2 and 0.1M NaC2H2O2 is: O A. 5,74...
please explain it...
30. The pH of a solution which is 0.01M HC6H706 and 0.1M NaC6H706 is: A. 5.10- B. 8.90€ C. 4.10
Which solution has the lowest pH? 0.1M NaOH 0.1M H2SO4 0.1M HCN 0.1M H2CO3 0.1M NaCl
a) Find the concentration of H+, HCO3- and CO32-, in a 0.01M solution of carbonic acid if the pH of this is 4.18. Ka1 (H2CO3) =4.45 x 10–7 and Ka2 =4.69 x 10–11 (b) Calculate the pH at the equivalence point of the titration between 0.1M CH3COOH (25 ml) with 0.05 M NaOH. Ka (CH3COOH) = 1.8 x 10–5.
a 0.01M solution of an acid HX has a pH of 2.5. what is the % ionization of HX? Answers A) 0% B) 0.32% C) 32% D) 40% E) 100%
Whish solution has the highest pH?( A). 0.1M hcl (B.) 0.1M NH3 (C) 0.1 M Ba (D) 0.1M CH3COOH (E) 0.1M NaOH
Disregard the pencil markings.
0.01M 0.01M 0.01M 0.01M 0.10M 0.10M 0.1OM 0.10M NaCl 2. 3 2 2. Answer the questions below that relate to the 8 aqueous solutions at 25° C shown above. a) Which solution has the lowest freezing point? Explain. b) Above which solution is the pressure of the water vapor the greatest? Explain.N3, c) Which solution has the lowest boiling point? Explain. d) Which solution has the highest pH? Explain. K6H e) Identify the pair of solutions...
What is the pH of a 125mM solution of sodium lactate?
Calculate the pH of a 0.579 M aqueous solution of Lactic Acid (pKa = 3.76) Which of the following acids, if in solutions of equal concentration, is the least acidic? a) 0.1M propanoic acid pKa = 4.8 b) 0.1M octanoic acid pKa = 4.89 c) 0.1 M uric acid, pKa = 3.89 d) 0.1 M formic acid pKa = 3.75 e) All of these acids are equally acidic because...
Part A a solution that is 0.175 Min HC2H2O2 and 0.125 Min KC,H,O, Express your answer using two decimal places. O AO O O ? pH = Submit Request Answer Part B a solution that is 0.250 Min CH3NH, and 0.125 Min CH3NH2 Br Express your answer using two decimal places. PO AO 2 ? pH = Submit Request Answer
Calculating pH, POH, (OH) and (H30*] 2) A solution of HC2H2O2 has a concentration of 0.00045 MH* what is the pH of the solution? (show your work). -log[H! Tog 10,00045m 3.35 PH
A buffer solution was prepared by mixing 0.1M K2HPO2 and 0.1M KH2PO4 (pH 6.64) - calculate the ionic strength (I) of the standard phosphate buffer solution