8. What is the conjugate acid of each of the following? What is the conjugate base...

Question

Question

8. What is the conjugate acid of each of the following? What is the conjugate base of each?

(a) H₂S

(b) H₂PO₄⁻

(c) PH₃

(d) HS⁻

(e) HSO₃⁻

(f) H₃O₂⁺

(g) H₄N₂

(h) CH₃OH

18. 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 HCl

(b) 0.0143 M NaOH

(c) 3.0 M HNO₃

(d) 0.0031 M Ca(OH)₂

science chemistry

Answer 1

Answer #1

Answer 2

Similar Homework Help Questions

1) Write equations that show H2PO4− acting both as an acid and as a base. 2)...

1) Write equations that show H2PO4− acting both as an acid and as a base. 2) 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 HCl (b) 0.0143 M NaOH (c) 3.0 M HNO3 (d) 0.0031 M Ca(OH)2 3)Propionic acid, C2H5CO2H (Ka = 1.34 × 10−5), is used in the manufacture of calcium propionate, a food preservative. What is the hydronium ion concentration in a...
UN CUNCILIULUNU 64. Calculate the pH and the pOH of each of the following solutions at...

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)...
1 ) Using the data in the table below, which conjugate acid is the weakest acid,...

1 ) Using the data in the table below, which conjugate acid is the weakest acid, given that all solutions (aq., 25 °C) are 0.200 M? Explain your choice! Base Kb CIO 3.3 x 10-7 CO3-2 1.8 x 10-4 HS- 1.8 x 10-7 NH2CH3 4.4 x 10-4 1b) Which of the following aqueous solutions has the lowest [OH-] (aq., 25 °C)? A) a solution with a pH of 3.0 B) a 1 x 10-4 M solution of HNO3 C) a...

6- (a) What is the conjugate base of each of the following HCIO4, H2S, PH4, HCO3-...

6- (a) What is the conjugate base of each of the following HCIO4, H2S, PH4, HCO3- ? (b)- The hydrogen sulfite ion (HSO3) is amphiprotic. Write an equation for the reaction of HSO3- with water, in which the ion acts as an acid
7. a) Identify the conjugate acid-base pairs in the following reaction: NH3(aq) + H O(l) +...

7. a) Identify the conjugate acid-base pairs in the following reaction: NH3(aq) + H O(l) + NHa*(aq) + OH (aq) b) The conjugate acid of HCO3 ? c) The conjugate base of H2PO4? d) Which of the following is not a conjugate acid-base pair? A) NH4+/NH3; B) H30*70H; C) H2SO3/HSO3; D) C2H3027HC2H302; E) All of the above are conjugate acid-base pairs.
(1) The Brønsted-Lowry conjugate acid / conjugate base pair in the forward direction for the following...

(1) The Brønsted-Lowry conjugate acid / conjugate base pair in the forward direction for the following equilibrium is, HCN (aq) + NO2 (aq) + HNO2 (aq) + CN (a) HCN, NO, (b) NO, , HNO2 (C) HNO, CN (4) CN, HCN (2) HNO, NO, (1) HCN, CN (2) The pH of 5.0 x 10* M aqueous solution of calcium hydroxide is (a) 10.7 (b) 5.4 (c) 11.0 (d) 3.3 (e) 8.6 (1) 3.0 (3) Assuming that any strong base encountered...

Set+ 16/viewContent/869712ViewTou 59016 5. Identify the acid, base, conjugate acid, and conjugate base in the reactions...

Set+ 16/viewContent/869712ViewTou 59016 5. Identify the acid, base, conjugate acid, and conjugate base in the reactions below. Circle any amphoteric species. a) HOCl (aq) + H2O (l) → H3of (aq) + OCǐ b) NH3(aq)+H2NH4 (aq) OH (aq) 6. Consider the following reaction: 2 H20)+2 SO2() 2H2S(g)-3 O2(2) A reaction mixture initially contains 2.8 M H20O and 2.6 M SO2. Determine the equilibrium concentration of H2S if Kc for the reaction at this temperature is 1.3 10-6 2 13 Mew as...
Calculate the pH and pOH of the following solutions: a. stomach acid in which [HCl] =...

Calculate the pH and pOH of the following solutions: a. stomach acid in which [HCl] = 0.155 M b. 0.00500 M HNO3 c. a 2:1 mixture of 0.0125 M HCl and 0.0125 M NaOH d. a 3:1 mixture of 0.0125 M H2SO4 and 0.0125 M KOH
Acid - Base Worksheet Name 1. A chemistry student titrated several solutions of unknown concentrations with...

Acid - Base Worksheet Name 1. A chemistry student titrated several solutions of unknown concentrations with various standard solutions of known concentration, until the neutralization point was reached. The volume of each unknown solution and volume and normalitý of the standard solution are given below. Calculate the molarity of each unknown. SHOW ALL OF YOUR WORK. 25.0 mL of NaOH required 15.0 mL of 0.100 M HC a. b. 10.0 mLH2SO4 required 20.0 mL of 0.200 M NaOH. c. 17.5...

1 . If a buffer solution is 0.260 M in a weak acid (?a=8.3×10−5)and 0.480 M in its conjugate base, what is the pH? pH= 2...

1 . If a buffer solution is 0.260 M in a weak acid (?a=8.3×10−5)and 0.480 M in its conjugate base, what is the pH? pH= 2. If a buffer solution is 0.200 M in a weak base (?b=5.0×10−5) and 0.530 M in its conjugate acid, what is the ph 3. Phosphoric acid is a triprotic acid (?a1=6.9×10−3, ?a2=6.2×10−8 , and ?a3=4.8×10−13 To find the pH of a buffer composed of H2PO4 - (aq) ) and HPO4 2− (aq) , which...