Homework Answers
9. the strong electrolyte is NaCl, the answer is E
10. The answer is B
11. The answer is C, Na+ = 2 x 0.1 = 0.2 M
12. The answer is E
HCOOH (aq) + H2O (l) --> HCOO- (aq)+ H3O+ (aq)
13. The answer is A
14. The answer is D
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9. Which of the following would behave as a strong electrolyte in water? a ethanol, C...
i want answer to all questions please Answer: 29) Consider the following generalized buffer solution equilibrium: When a small amount of a strong base such as sodium hydroxide is added to the so...
i want answer to all questions please
Answer: 29) Consider the following generalized buffer solution equilibrium: When a small amount of a strong base such as sodium hydroxide is added to the solution, which of the four species shown would experience an increase in concentration? A) BH B)H C) HO D)B E None of the species would increase in concentration. Answer: ( 30) What is true about a solution whose pH is less than 7 at 25°C? A) It has...
1. Which acids are monoprotic in the list below? A. acetic (HC2H2O2) C. phosphoric (H3PO4) E....
1. Which acids are monoprotic in the list below? A. acetic (HC2H2O2) C. phosphoric (H3PO4) E. oxalic (H2C204) G. carbonic (H2CO3) I hydroiodic (HI) K. sulfurous (H2SO3) B. sulfuric (H2SO4) D. nitric (HNO3) F. nitrous (HNO2) H. hydrofluoric (HF) J. periodic (HIO) L. hypochlorous (HCIO) 3. Which solution is more acidic, 0.10 Macetic acid or a mixture of 0.10 M acetic acid and 0.10 M sodium acetate?
36) Which one of the following is not a strong acid? (or a weak electrolyte?) a) HNO )HCI HI )HF e) HCIO Answer: 37) The is the conjugate species that remains after an acid donates a proton is ca...
36) Which one of the following is not a strong acid? (or a weak electrolyte?) a) HNO )HCI HI )HF e) HCIO Answer: 37) The is the conjugate species that remains after an acid donates a proton is called its conjugate base. What base of the hydronium ion, HO? B)HO C)HO D)H E HO'has no conjugate base. Answer: acid-base pair? 38) For the reaction shown below, which of the following is a conjugate acid A)CHsN, H:0 B) CsH,N, CsH,NH' C)...
10. Which one of the following is a strong acid? A. H2CO3 B. H2SO3 C. H2SO4...
10. Which one of the following is a strong acid? A. H2CO3 B. H2SO3 C. H2SO4 D. H3PO4 E. CHCOOH
Question 18 (3 points) Which of the following is a (are) common moderate base(s)? transition metal...
Question 18 (3 points) Which of the following is a (are) common moderate base(s)? transition metal hydroxides, Group IIIB (3) scandium thru IIB (12) zinc aqueous ammonia and aqueous magnesium hydroxide u nqueous ammonium hydroxide aqueous ammonia as aqueous ammonium hydroxide and aqueous lithium hydroxide Question 19 (3 points) Which of the following isare) common strong acids? hydroiodic acid, hydrobromic acid, hydrochloric acid and hydrofluoric acid perchloric acid, chloric acid and hydrochloric acid nitric acid, sulfuric acid, phosphoric acid, and...
i need equations for question 2 a) Dissociation of a strong base in water b) Dissociation...
i need equations for question 2
a) Dissociation of a strong base in water b) Dissociation of a strong acid in water c) lonization of a weak base in water d) lonization of a weak acid in water e) Autoionization of water 3. A 5.0 M solution of HCl in water has a proton concentration of M. 4. A0.01 M aqueous NaOH sohution has a hydroxide concentration of M 5. An aqueous HCl solution has a proton concentration equal to...
15) Determine the molar solubility of FeCl, in pure water. K A) 0.228 M B ) 0.0301 M C) 0.311 M for FeCl, -2.45 x 1...
15) Determine the molar solubility of FeCl, in pure water. K A) 0.228 M B ) 0.0301 M C) 0.311 M for FeCl, -2.45 x 10 D ) 0.174 M 15 E) 2.45 * 10M 16) 16) Which of the following statements is true? A) Kris related to the formation of complexes B) K is related to acid dissociation C) K, is related to the solubility of a solid ionic species D) Khis related to base dissociation E) K is...
Explain why some electrolyte solutions are strongly conducting, whereas others are weakly conducting. 4.2. Def fin...
Explain why some electrolyte solutions are strongly conducting, whereas others are weakly conducting. 4.2. Def fine the terms strong electrolyte and weak electrolyte. Give an example of each 4.3. Ex plain the terms soluble and insoluble. Use the solubility rules to write the formula of an insoluble ionic compound. 4.4. What are the advantages and disadvantages of using a molecular equation to represent an i reaction? 4.5. What is a spectator ion? IlIlustrate with a complete ionic reaction 4.6. What...
m water, one of the following electrolyte, exists only as ions (100%) in solution a) nonconductor...
m water, one of the following electrolyte, exists only as ions (100%) in solution a) nonconductor b) weak electrolyte c) non electrolyte d) strong electrolyte The Following reaction is classified as: Mg(OH)2 (aq) + 2HNO3(aq) - Mg(NO)2 (aq) + 2 H20(1 a) oxidation-reduction reaction b) precipitation reaction b) acid-base neutralization reaction d) single replacement 9 Which one of the following is a weak acid in aqueous solution? a) KOH b) HNO3 c)NH; d) CH-COOH 10 Which of the following is...
24 and 25 please .a3 24. The acid-dissociation constants of sulfurous acid (H,SO,) are Kai1.7 x...
24 and 25 please
.a3 24. The acid-dissociation constants of sulfurous acid (H,SO,) are Kai1.7 x 10 and K2-6.4 x 10 at 25.0°C. Calculate the pH of a 0.163 M aqueous solution of sulfurous acid. A. 4.53 B. 1.34 C. 1.86 D. 6.21 E. 1.93 25. Which of the following salts, when dissolved in water to produce 0.10 M solutions, would have the lowest pH? A. sodium acetate D. magnesium nitrate B. potassium chloride E. potassium cyanide C. sodium bisulfate
i want answer to all questions please
Answer: 29) Consider the following generalized buffer solution equilibrium: When a small amount of a strong base such as sodium hydroxide is added to the solution, which of the four species shown would experience an increase in concentration? A) BH B)H C) HO D)B E None of the species would increase in concentration. Answer: ( 30) What is true about a solution whose pH is less than 7 at 25°C? A) It has...
1. Which acids are monoprotic in the list below? A. acetic (HC2H2O2) C. phosphoric (H3PO4) E. oxalic (H2C204) G. carbonic (H2CO3) I hydroiodic (HI) K. sulfurous (H2SO3) B. sulfuric (H2SO4) D. nitric (HNO3) F. nitrous (HNO2) H. hydrofluoric (HF) J. periodic (HIO) L. hypochlorous (HCIO) 3. Which solution is more acidic, 0.10 Macetic acid or a mixture of 0.10 M acetic acid and 0.10 M sodium acetate?
36) Which one of the following is not a strong acid? (or a weak electrolyte?) a) HNO )HCI HI )HF e) HCIO Answer: 37) The is the conjugate species that remains after an acid donates a proton is called its conjugate base. What base of the hydronium ion, HO? B)HO C)HO D)H E HO'has no conjugate base. Answer: acid-base pair? 38) For the reaction shown below, which of the following is a conjugate acid A)CHsN, H:0 B) CsH,N, CsH,NH' C)...
10. Which one of the following is a strong acid? A. H2CO3 B. H2SO3 C. H2SO4 D. H3PO4 E. CHCOOH
Question 18 (3 points) Which of the following is a (are) common moderate base(s)? transition metal hydroxides, Group IIIB (3) scandium thru IIB (12) zinc aqueous ammonia and aqueous magnesium hydroxide u nqueous ammonium hydroxide aqueous ammonia as aqueous ammonium hydroxide and aqueous lithium hydroxide Question 19 (3 points) Which of the following isare) common strong acids? hydroiodic acid, hydrobromic acid, hydrochloric acid and hydrofluoric acid perchloric acid, chloric acid and hydrochloric acid nitric acid, sulfuric acid, phosphoric acid, and...
i need equations for question 2
a) Dissociation of a strong base in water b) Dissociation of a strong acid in water c) lonization of a weak base in water d) lonization of a weak acid in water e) Autoionization of water 3. A 5.0 M solution of HCl in water has a proton concentration of M. 4. A0.01 M aqueous NaOH sohution has a hydroxide concentration of M 5. An aqueous HCl solution has a proton concentration equal to...
15) Determine the molar solubility of FeCl, in pure water. K A) 0.228 M B ) 0.0301 M C) 0.311 M for FeCl, -2.45 x 10 D ) 0.174 M 15 E) 2.45 * 10M 16) 16) Which of the following statements is true? A) Kris related to the formation of complexes B) K is related to acid dissociation C) K, is related to the solubility of a solid ionic species D) Khis related to base dissociation E) K is...
Explain why some electrolyte solutions are strongly conducting, whereas others are weakly conducting. 4.2. Def fine the terms strong electrolyte and weak electrolyte. Give an example of each 4.3. Ex plain the terms soluble and insoluble. Use the solubility rules to write the formula of an insoluble ionic compound. 4.4. What are the advantages and disadvantages of using a molecular equation to represent an i reaction? 4.5. What is a spectator ion? IlIlustrate with a complete ionic reaction 4.6. What...
m water, one of the following electrolyte, exists only as ions (100%) in solution a) nonconductor b) weak electrolyte c) non electrolyte d) strong electrolyte The Following reaction is classified as: Mg(OH)2 (aq) + 2HNO3(aq) - Mg(NO)2 (aq) + 2 H20(1 a) oxidation-reduction reaction b) precipitation reaction b) acid-base neutralization reaction d) single replacement 9 Which one of the following is a weak acid in aqueous solution? a) KOH b) HNO3 c)NH; d) CH-COOH 10 Which of the following is...
24 and 25 please
.a3 24. The acid-dissociation constants of sulfurous acid (H,SO,) are Kai1.7 x 10 and K2-6.4 x 10 at 25.0°C. Calculate the pH of a 0.163 M aqueous solution of sulfurous acid. A. 4.53 B. 1.34 C. 1.86 D. 6.21 E. 1.93 25. Which of the following salts, when dissolved in water to produce 0.10 M solutions, would have the lowest pH? A. sodium acetate D. magnesium nitrate B. potassium chloride E. potassium cyanide C. sodium bisulfate
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