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NAME: 1 Fill in the blanks with the appropriate value. Please express concentration values to 3...
1. Identify the acid, base, conjugate acid and conjugate base in the following reaction: HPO42+ H20 OH H2PO4 2. Calculate the following a) pH of a [H30*] = 2.76 x 104 M b) pH of a [OH] - 8.5 x 10-6 M c) [H30*] and [OH] for a soln pH 5.73 3. Show how an incoming acid [H30*] is neutralized by the buffer system HCO3 /CO32 system. You should also be able to show the neutralization of incoming base [OH']...
1. Identify the acid (A), base (B), conjugate acid (CA) and the conjugate base (CB) in the following equation (5) NH3(aq) + H2O + NH(aq) + OH(aq) B CB CA 2. Determine the pH of a solution at 25°C in which the hydronium ion [H3O+] is 3.5 X 10 - log 3.5x10-4 - pH = 3.45 M. C 3. Calculate the [H3O+] in a solution at 25°C in which the pH is 4.76. (5)
1. pure water What are the hydronium ion concentration and the hydroxide ion concentration TOH]- b. Write the equilibrium constant expression for pure water, including its value. c. What are the pH and pOH values for pure water? рон - pH- 2. (2 ) Write an equation showing pH in terms of hydronium ion concentration Write an equation showing pOH in terms of hydroxide ion concentration 3. Write the dissociation reaction for the following acids in water. Use appropriate arrow...
Name: Date: Period: Acid Base Worksheet 1. Identify whether each is an acid or base: Turns blue litmus paper red Turns red litmus paper blue Tastes sour Tastes bitter 2. A Bronsted-Lowry acid is an proton 3. A Bronsted-Lowry base is an proton 4. A Lewis acid is an electron pair 5. A Lewis base is an electron pair 6. True or False According to the Arrhenius system, water is neither an acid nor a base. A solution with a...
You must show your work to receive credit. pH = -log[H₂O 1.(4 pts) For each [H3O+] below, give the pH. a. 8.7 x 10-8 M b. 7.9 x 100M 17.06 18. 2. (4 pts) For each [OH-] below, give the [H3O+] a. 10.0 x 10-6 M b. 8.4 x 10-M 1x 10 9 3. (4 pts) For each pH below, give the [H30“). 10 a. 8.5 b. 2.9 ..th 0:1.0*11- Сен 10 P7 13.16 *10-9 11.26 x 10-3 4. (4...
Consider how best to prepare one liter of a buffer solution with pH = 3.36 using one of the weak acid/conjugate base systems shown here. Weak Acid Conjugate Base Ka pKa HC2O4- C2O42- 6.4 x 10-5 4.19 H2PO4- HPO42- 6.2 x 10-8 7.21 HCO3- CO32- 4.8 x 10-11 10.32 How many grams of the sodium salt of the weak acid must be combined with how many grams of the sodium salt of its conjugate base, to produce 1.00 L of...
9. Write the B/L acid-base reaction between ammonium ion and water. Is ammonium ion acting as an acid or a base in this reaction? Does the equilibrium lie to the product or the reactant side? 10. Write the B/L acid base reaction between acetate ion and bisulfate ion. Identify the two acid and base conjugate pairs above reaction. Does the equilibrium lie to the product or the reactant side? 11. Calculate the pH if: (report values to 2 decimal places)...
(17.2.c.6) Consider how best to prepare one liter of a buffer solution with pH = 10.76 using one of the weak acid/conjugate base systems shown here. Weak Acid Conjugate Base Ka pKa HC2O4- C2O42- 6.4 x 10-5 4.19 H2PO4- HPO42- 6.2 x 10-8 7.21 HCO3- CO32- 4.8 x 10-11 10.32 How many grams of the sodium salt of the weak acid must be combined with how many grams of the sodium salt of its conjugate base, to produce 1.00 L...
Titration Curves of Strong and Weak Acids and Bases. Pre-lab questions. Sed and weak acids ng acids cont 214-2343 -110.51 Explain the difference between a strong acid and a weak acid. A Strong Acd die Insed and weak are ionsrzed partially. Moreover Strong oud a higher concentration of Hydrogen 2. Calculate the pH of an HCl solution in which the (H30'] = 1.75 x 10 M. DH- og IH30-] [H2O PH- - 1.75% 103] PH=72.75 3. Calculate the pH of...
Consider how best to prepare one liter of a buffer solution with pH = 10.93 using one of the weak acid/conjugate base systems shown here. Weak Acid Conjugate Base Ka pKa HC2O4- C2O42- 6.4 x 10-5 4.19 H2PO4- HPO42- 6.2 x 10-8 7.21 HCO3- CO32- 4.8 x 10-11 10.32 How many grams of the sodium salt of the weak acid must be combined with how many grams of the sodium salt of its conjugate base, to produce1.00 L of a...