Citric acid is a triprotic acid H3A. PKA1 = 3.128 PKA2 = 4.761 What is the major form of citric acid at pH = 7.00 ? PKA3 = 6.396 a) HзA b) H₂A- c) HA2- d) A³-

Q: •Example: A 0.040 M solution of an acid, HA, has a pH of 3.02 at 25 °C. What is the pK, for this…

A: Given that,  Concentration of acid, HA (C) = 0.040 M  pH of acid = 3.02  We need to find the pKa…

Q: when the ratio of (A--)/(HA)=100 to 1, calculate the pH. when the ratio of (HA)/(A--)=10 to 1, the…

A: We have to give the pH for given conditions.

Q: Part A Find the [H3O*] in a Sauvignon Blanc with a pH of 3.21. ? [H3O]* = M Submit Request Answer…

A: Given :  Part A :  pH = 3.21  Part B :  pH = 3.63

Q: Which of the following is not an Arrhenius base? O Sr(OH)2 О КОН O Ba(OH) 2 all are Arrhenius bases…

A: According to Arrhenius concept Bases are those species which give OH- ion when they dissolved in…

Q: Answer the following using the pH and pOH formulae: Acid, base or neutral [H*] [OH] pH pOH 3.25x 106…

A: Since you have posted question with multiple subparts so as per guidelines we can solve only three…

Q: HC4C3N2O3

A: Dear student I have given answer to your question in the image format.

Q: Which one of  the following 1 M solutions is  acidic?

A: Acid and base are the chemical compounds which upon adding in water change the pH value accordingly.…

Q: 8. Fill in the following table: PH A 1.97 В с D E 8.49 [H301+] 9.84 х 10-² м POH 4.68 [OH11 2.64 x…

A: pH : it can define have the negative logarithm of H+ ion concentration. When pH > 7 solution is…

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Q: Find the pH (with two decimal places) of a solution 2.36 M in NH3, and 2.88 M in NHẠCI For NH3…

A:

Q: Which of the following is an acid? O HCN O NaCN O NH3 O NaOH

A: Since you have asked multiple question, we will solve the first questionfor you. If you want any…

Q: Acid Ka A HNO2 4.50×10-4 B HClO 3.50×10-8 (1) The acid with the smallest value of pKa is…

A: (1)  Ka of HNO2 = 4.50×10-4   Ka of HClO = 3.50×10-8   Equation: pKa = - log Ka   For HNO2 : pKa = -…

Q: What is the pH of a solution which is 0.1396 M in C 5H 5NH 2 and 0.1345 M in C 5H 5NH 3Br?…

A: Note- Since the given question is a multiple question hence I solved first question according to…

Q: What is the pH of a 0.011 M HCIO4? **Report your answer to two decimal places. DO NOT worry about…

A: The name of the given acid is perchloric acid with chemical formula HClO4. It is a strong acid and…

Q: 4) Determine the [H+] in a 0.755 M HCIO solution. The Ka of HCIO is 2.9 x 10-8. 2.9x 10-8 x2/0.155…

A: 4) 5)

Q: 3:21 AM Wed Mar 1 Question 22 of 26 An unknown weak acid with a concentration of 0.360 M has a pH of…

A:

Q: 12. What equation or expression would be used to calculate the pH of a 0.12 M solution of formic…

A: Given : Concentration of weak acid CH2O2 = 0.12 M And Ka of the CH2O2 = 1.8 X 10-4  Since the acid…

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A:

Q: than blood that has a pH of 7.4. Urine has hydrogen ions Urine has ions, ammonia, and urea in it…

A: Given: pH of urine <7pH of blood = 7.4pH of acidic solutions <7 pH of neutral solutions =7 pH…

Q: If a 0.8M solution of weak acid, HA, has a pH = 2.8, calculate the Ka of the acid.

A: The pH of a solution denotes the -ve logarithm of hydronium ion concentration in moles per liter.…

Q: Question 16 Calculate the pH of a formic acid (HCO2H) solution if the concentration of formic acid…

A: Buffer solution is a solution whose pH remains constant and it does not change even on addition of…

Q: Lactic acid, C3H6O3, builds up in human muscles during anaerobic exercise. If the initial…

A:

Q: species H₂PO4 HSO4 2- SO4 H₂O OH H₂PO4 HIO 3 103 relative pH of 0.1 M aqueous solution (Choose one)…

A: pH can be defined as -log [H+]. Also stronger a acid is, more H+ ion will produce and lower will be…

Q: What will happen to arsine as the pH is raised from 2 to 12?

A: Given is the Pourbouix diagram for As species.

Q: Phosphoric acid is tribasic, with pKas of 2.14, 6.86, and 12.4.  The ionic form that predominates at…

A: Phosphoric acid is a tribasic acid and it dissociates in three steps.

Q: Q20 Given: K₁ of HF = 6.8 x 10-4 Ka of NH4+ = 6.3 × 10-10 Ka of HCN = 4.9 × 10-10 According to the…

A: The question addresses the determination of which salt, when dissolved in a 0.10 M solution, would…

Q: Rainwater with a pH = 3 contains   1 and is   2 times more acidic than pH 7. a) 1-carbonic acid; 2-4…

A: we have, pH = -log[H3O+], [H3O+] = 10-pH If pH = 3, then [H3O+] = 10-³ If pH = 7, then [H3O+] = 10-⁷…

Q: 11) Do you expect NaCHO3 ( OR "N" a CHO3) to be acidic, neutral, or basic when dissolved in pure…

A: NaHCO3 commonly known as Sodium Bicarbonate or Baking Soda is Basic in Nature.

Q: Weak Base CH.N HONH CHÍNH, HNNH Kb 1.7 x 10° 1.1 x 10° 4.3 x 10.¹⁰ 1.3 x 10" Which one of the…

A: According to Arrhenius concept, an base is a substance i.e. when dissolved in water gives OH- ions .…

Q: How many 500mg tablets of erythromycin are required to prepare 240 mL of a solution of erythromycin…

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Q: Ascorbic acid (vitamin C, C,H,O) is a diprotic acid (K1-8.0x10-5 and Ka2 1.6x10-12). What is the pH…

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Q: 6. Arrange the following 0.01 M substances in order of increasing pH. HNO3: pk, = -1.38 HNO2: pka =…

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Q: D D Question 3 What is the formula of the conjugate base of H₂PO4? O H₂PO4 O HPO4²- O PO4³- O H₂PO4…

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Q: Little Echo Pond in Adirondacks New York is the most acidic lake in the United States, making it…

A: To neutralize acid, we need base. Base reacts with acid to produce water and salt. And thus, the…

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Q: Aspirin, which is acetylsalicylic acid, is the most common over the counter pain killer. If a…

A: Given: aspirin has a [OH-] = 5.8  10–12 M

Q: 1. N 2. -Z H (pH <7) O 25

A: The question is based on organic reactions.We need to identify the product and explain its…

Q: Question 4 EO OE OEL HC CH, HyC NMe, Ha Rank compounds from the most acidic to the least acidic.…

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Q: 15.64 Compare the pH of a 0.040 M HCI solution with that of a 0.040 M H₂SO4 solution. (Hint: H₂SO4…

A: Answer:pH tells about the strength of hydrogen ion concentration in a solution and its value is…

Q: QUESTION 29 For each of the following substances, enter an A if it is Acidic, an N ifit is Neutral…

A: (29)  BaBr2 ------&gt; N Strong acid and strong base salt. LiClO4 ------&gt; A Strong acid and weak…

Q: Which one has the highest pH? pks values CSHSN 8.77 CH:NH2 3.36 NH:OH 7.96 CeHsNH2 9.41 N2H4 5,89

A: Acid is a substance which donates H+ ion when dissolved in water.  Base is a substance which accepts…

Q: HO: IYI H₂C Identify which of the following compounds can act as both a Bronsted-Lowry acid and a…

A: Answer:Any specie that can accept proton in its solution is called as Bronsted-Lowry base and any…

Q: Decide whether aqueous solutions are acidic, basic or neutral. Ka Zn(H2O)62+ = 1x10-9 Kb HCOO- =…

A: The question is based on the concept of salt hydrolysis. We have to identify the nature of the given…

Q: Acid A with ka 3.5 x 10-5 is more acidic than acid B with ka 6.5 x 10-6

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Q: Calculate the [H] and the [OH-] of a solution with a pH [H+] = = [OH-] = 999 44 = 13.40 at 25 °C.…

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Q: What is the pH of these solutions? A. 0.10 M NaOH

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Q: Hippuric acid (HC₂H&NO₂), found in horse urine, has pk.-3.62 H H- H N-C H HH Hippuric acid Acidic…

A: Given -&gt; pKa of hippuric acid = 0.180 M

Q: Consider the following reactions: SO32 (aq) + H2O(1) HSO3 (aq) + H2O(1) HSO3(aq) + OH(aq) H2SO3(aq)…

A: In the given question we have to calculate the pH of the given solution.The pH is the negative…