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Question 12 16 points Use the drop down to indicate if the solution of each of...
Use the drop down to indicate if the solution of each of the following compounds or ion is acidic, basic, or pH neutral. Note: Kа of HCIO - 3.0 x 10-8, Kb of NH3 = 1.8 x 10-5 For H2SO3: Ka1 = 2.3 x 10-3, Ka2 = 5.3 x 10-9 Ba(NO3)2 is acidic Li2SO3 is NH4CIO is HSO3' is
(3 points) A 0.0730 M solution of a monoprotic acid is 1.07% ionized. What is the pH of the solution? Calculate the Ka of the acid. (2 points) The pH of a 0.025 M solution of a monoprotic acid is 3.21. What is the Ka value for the acid? (2 points) Determine the percent ionization of a 0.0028 M HA solution. (Ka of HA = 1.4 x 10-9) (4 points) Lysine is triprotic amino acid (separately loses three H’s in...
1.Calculate the pH of each solution and indicate whether the solution is acidic or basic. A. [H3O+] = 1.8 x 10-4M B.[H3O-] =7.2 x 10-9M 2.Calculate the [OH-] in each solution and determine whether the solution is acidic =, basic, or neutral. A. [H3O+] = 7.5 x 10-5M B. [H3O+] = 1.5 x 10-9M C.[H3O+] = 1.0 x 10-7M 3. Write a molecular equation for the neutralization reaction between aqueous HCI and aqueous Ca(OH)2?
Each value represents a different aqueous solution at 25 °C. Classify each solution as acidic, basic, or neutral. Acidic Basic Neutral pH = 2.05 pH = 12.54 [H+) = 1.0x 10-7 pOH = 12.44 pOH = 1.52 (H+) = 3.6 x 10-- pOH = 7.00 [OH-] = 7.7 x 10-1 [H+] = 3.5 x 10-13 Answer Bank What is the pH of a 6.0 x 10-8 M solution of HCl(aq) at 25 °C? Report your answer to the hundredths place....
For each of the following, is the solution acidic, basic, neutral, or cannot be determined? For each, write the equation for the dominant equilibrium which determined the pH, and justify your pH prediction. Kw = 1.0 x 10-14 100 mL of 0.10 M NaH3P2O7; Ka1 = 3.0 x 10-2, Ka2 = 4.4 x 10-3, Ka3 = 2.5 x 10-7, and Ka4 = 5.6 x 10-10 for H4P2O7. 100 mL of 0.10 M K2H2P2O7; see Part a for Ka values 100...
Question 15 (2 points) A basic buffer is prepared by adding 0.4870 g of NH4Cl to 1.00 L of 0.2799 M. NH3. Kb (NH3) = 1.8 x 10-5. Calculate the pH of the buffer. Provide your answer to two places after the decimal. Your Answer: Answer Hide hint for Question 15 You must convert the mass of ammonium chloride into molarity. Also, you need to calculate the K, of ammonium ion from the Ky value of ammonia.
Use the References to access important values if needed for this question. Indicate whether each of the following compounds will give an acidic, basic or neutral solution when dissolved in water Clear All ammonium bromide The pH will be less than 7. sodium hypochlorite The pH will be approximately equal to 7 barium perchlorate The pH will be greater than 7 ammonium nitrate Use the References to access important values if needed for this question. Indicate whether each of the...
Question 12 of 17 > Calculate the hydroxide ion concentration, [OH-], for a solution with a pH of 6.96. [OH-] = 3.98 x10-10 | М Incorrect Question 13 of 17 > Calculate the [OH-] and the pH of a solution with an (H+] = 6.6 x 10-12 M at 25°C. [OH-] = M pH = Calculate the (H+) and the pH of a solution with an [OH-] = 0.86 M at 25 °C. H+] = M pH = Calculate the...
11. For each of the following, is the solution acidic, basic, neutral, or cannot be determined? For each, write the equation for the dominant equilibrium which determined the pH, and justify your pH prediction. Kw 1.0 x 1014 a. 100 mL of 0.10 M K HPO4 Ka 7.5 x 103 Ka2 6.2 x 108, and Kas -4.8 x 10-13 for HsPO4 100 mL of 0.10 M LiH2PO4; see Part a for Ka values b. c. 100 mL of 0.10 M...
help solve number 12 plz
Question 12 10 pts What is the pH of 0.1 MNH4Cl in solution? The Kb of NH3 is 1.8 x 105. Answer to 2 decimal places please.