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5. Calculate the pH for each of the following solutions a) pOH 4.72 b) 5.84 x...
UN CUNCILIULUNU 64. Calculate the pH and the pOH of each of the following solutions at 25 C for which the substances ionize completely: (a) 0.200 M HCI (b) 0.0143 M HCIO (c) An acid that contains 5.3 x 102 M H30* (d) An acid that contains 0.0031 M H30 65. Calculate the pH and the pOH of each of the following solutions at 25°C for which the substances ionize completely: (a) 0.000259 M HCIO4 (b) 0.21 M NaOH (c)...
Calculate the hydroxide ion concentration and the POH in an aqueous solution with a pH = 2.3 at 25°C. a. [OH 1 - 2.0 * 10-12M : POH - 2.30 b. [OH 7 -2.0 * 10-11M: POH = 11.70 C[OH 7 -5.0 x 10-3 M : POH = 11.70 d. [OH ) - 2.0 x 10-12 M : POH = 11.70 e.[OH ) - 2.0*10-12M : POH -8.50 Which of the following solutions is a good buffer system? a. A...
For each of the following strong base solutions, determine [OH−],[H3O+] , pH, and pOH. 0.19 MM NaOH 1.3×10−3 MM Ca(OH)2 4.7×10−4 MM Sr(OH)2 8.6×10−5 MM KOHKOH
For each of the following strong base solutions, determine [OH−],[H3O+], pH, and pOH part A 0.14 M NaOH part B 1.5×10−3 M Ca(OH)2 partc 5.0×10−4 M Sr(OH)2 HELP
Determine the conjugate base for each of the following acids: HSO4- CH3CH2COOH Identify all of the acids and bases in the following reaction. Predict which direction the reaction will favor (forward or reverse). HNO3 (aq) + NaF (aq) ↔ HF (aq) + NaNO3 (aq) Rank the following acids according to strength: Acid Ka HF 3.5 x 10-4 H3PO4 7.5 x 10-3 Ascorbic acid 7.9 x 10-5 Which conjugate base would be the strongest? The pH of...
CHE 172 Acid-Base Equilibrium Worksheet 1. Identify the conjugate pairs in the following reaction: HC2H302(aq) + H2O + H20*24) + CH3O2 (aq) 2. Based on the Kb of the following weak bases, which is the strongest base? C6H5NH2 HONH2 H2NNH2 C2H5NH2 Kb = 4.3x10-10 Ko = 1.1x10-8 Kb = 1.3x106 Kb = 6.4x104 Which has the strongest conjugate acid? 3. Calculate the pH of the following solutions: a. 0.25M HBO b. 0.25M Ba(OH)2 C. 0.25M HCN (K. = 5.00x10-10) d....
Calculate the [OH]-, the pH and the pOH for each of the following solutions AND identify each of the solutions as acidic, basic, or neutral. a. [H+] = 1.0 x 10-7 b. [H+] = 7.4 x 10-16 c. [H+] = 10 M d. [H+] = 6.3 x 10-4 Show work please
2. Calculate the pH of the following solutions: (a) [H3O+] = 1.4 x 10-'M (b) [OH-] = 3.5 x 10-2M (c) pOH = 10.5 3. What is the pH of a 0.10 M solution of HCIO4? (A strong acid) 4. Write the dissociation reaction and the corresponding K, expression for the following acids in water. (a) H3PO4 (b) C&H OH 5. Write the reaction and corresponding Ko expression for each of the following bases in water. (a) NH3 (b) PO4...
For each of the following strong base solutions, determine [OH−],[H3O+], pH, and pOH. A) 1.6×10−3 M Ca(OH)2 Express your answer using two significant figures. (OH-), (H3O+) Enter your answers numerically separated by commas. pH, pOH. Express your answer to two decimal places. Enter your answers numerically separated by commas. B) 4.9×10−4 M Sr(OH)2 Express your answer using two significant figures. Enter your answers numerically separated by commas: pH, pOH. Express your answer to two decimal places. Enter your answers numerically...
For each of the following strong base solutions, determine [OH−],[H3O+], pH, and pOH 4.8 x 10^-4 M Ca(OH)2