Which of the following is the weakest acid?
a.) hydrocyanic acid
b.) nitrous acid
c.) ascorbic acid
d.) hydrofluoric acid
e.) acetic acid
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Which of the following is the weakest acid? a.) hydrocyanic acid b.) nitrous acid c.) ascorbic...
Discussions Question 11 NetTutor 1 pts Courses Which of the following acids has the weakest conjugate base? Honorlock Calendar Grades Chat hydrocyanic acid, Ka 4.0 * 10 10 Inbox acetic acid, Ka 1.8 x 105 nitrous acid, Ka4.5 x 104 Studio dihydrogen phosphate ion, Ka-6.2 x 10 © Help benzoic acid, Ka-6.3 x 105
Ka for nitrous acid, HNO2, is 4.50×10-4. Ka for hydrofluoric acid, HF, is 7.20×10-4. Ka for hydrocyanic acid, HCN, is 4.00×10-10. What is the formula for the strongest conjugate base? ______?____
Given the following information: hydrofluoric acid = HF hydrocyanic acid - HCN HF is a stronger acid than HCN (1) Write the net ionic equation for the reaction that occurs when equal volumes of 0.074 M aqueous hydrofluoric acid and sodium cyanide are mixed. It is not necessary to include states such as (aq) or ($). (2) Which is the stronger base. For CN? (3) At equilibrium the y will be favored.
Which is the weakest acid among the following? a. HCL B. H2S C. SiH4 D. PH3
16) Which compound would be the weakest acid? a) 4,4-dichlorobutanoic acid b) 3,4-dichlorobutanoic acid c) 3,3-dichlorobutanoic acid d) 2,3-dichlorobutanoic acid e) 2,2-dichlorobutanoic acid
Which of the following aqueous solutions are good buffer systems? 0.29 M perchloric acid + 0.16 M sodium perchlorate 0.34 M ammonium nitrate + 0.33 M ammonia 0.31 M hydrocyanic acid + 0.29 M potassium cyanide 0.21 M hydrofluoric acid + 0.16 M sodium fluoride 0.16 M potassium nitrite + 0.24 M nitrous acid
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?
17. Rank the following organic molecules from weakest to strongest acid. Give a short explanation of your ranking. A. Acetic Acid (CH3COOH) B. Ethanol (CH3OH) C. Trifluoeacetic acid (CF3COOH) Weakest Acid Strongest Acid Explain: 18. Write the net ionic equation that occurs when potassium hydroxide is added to a hydrofluoric acid/sodium fluioride buffer. 19. Calculate the volume of 0.550 M sodium acetate that must be added to 20. mL of 0.450 M acetic acid in order to make a buffer...
Pyridine is a weak base (C5H5N). Nitrous acid (HNO2) is a weak acid. Which ions are present when HNO2 and C5H5N are dissolved in water? Check all that apply A. H2NO2+ B. NO2- C. NO2+ D. C5H4N- E. C5H5NH+ F. C5H5NH- Pyridine is a weak base (C5H5N). Nitrous acid (HNO2) is a weak acid. Which ions are present when the salt C5H5NHNO2 dissolves in water? Check all that apply A. HNO2 B. C5H5N C. NO2- D. C5H5NH+ E. HNO2+ F....
2) Refer to the following information for parts a-c: Ascorbic acid, commonly known as Vitamin C, is an essential nutrient involved in tw o and the production of neurotransmitters. Diets deficient in Vitamin C can lead to a condition called survy Combustion analysis of a 12.50 g sample of ascorbic acid produces 18.74 g of Co, and 5.11 H.O. The molecular mass of ascorbic acid is 1 76.12 g/ mol a. Determine the empirical formula for ascorbic acid: b. Determine...