What is the concentration (in molarity) of H+, HCO3−, and CO32–, in a solution that is initially prepared as a mixture of 0.0100 M H2CO3 and 0.000010 M Na2CO3? (Carbonic acid is a weak diprotic acid where   Ka1 is 4.20 x 10–5 and Ka2 is 2.00 x 10–6)   a) [H+] at equilibrium = ? b) [HCO3-] at equilibrium = ? c) [CO32-] at equilibrium = ?

Q: asider the balanced net ionic equation below for the bicarbonate-carbonate buffer system:

A:

Q: At 22 °C, an excess amount of a generic metal hydroxide, M(OH),, is mixed with pure water. The…

A: In order to find Ksp of the salt we first write down the given data: pH= 10.34. The given salt is…

Q: Phosphoric acid dissociates to form phosphate anion and hydronium cation. The K, for this reaction…

A: Ka is the acid dissociation constant which may be expressed as the ratio of the multiplication of…

Q: V2. A student prepared a 0.855 M solution of chloro acetic acid, CH2CICOOH, and measured the pH to…

A:

Q: One student, when experiencing a headache, decided to ingest a solution of acetylsalicylic acid…

A: Given , Concentration of acetylsalicylic, [C9H8O4]  = 0.1mol/L Ka = 5.6 x 10-4

Q: Tartaric acid is found in many fruits including grapes. Tartaric acid is partly responsible for the…

A: The dissociation of tartaric acid can be represented as: H2C4H4O6+H2O↔HC4H4O6-+H3O+…

Q: You are studying a clear solution and you added the pH indicator methyl violet. The colour range of…

A: The color of a solution of pH 0.2 is needed to be determined on the addition of an acid-base…

Q: Draw the Lewis Dot structure for the following diprotic acid: HOOC-(CH2)2-COOH. 46.3 mL of a 0.099 M…

A: Given that : We have to draw the Lewis Dot Structure for the following diprotic acid:…

Q: 1) The equation below represents the equilibrium process of a saturated solution of Ca(OH)2 If the…

A: "Le Chatelier's principle" is mainly utilized for the prediction of effect of some various changes…

Q: A 1.0-L buffer solution contains 0.300 mol acid, HA, and 0.300 mol base, NaA. The value of K, for…

A: Weak acid and its salt with strong base will make a buffer whose PH can  be calculated with the help…

Q: Assume the following substances form solutions at the same concentration, whicch one would provide…

A: According to Arrhenius concept, an acid is a substance i.e. when dissolved in water gives H+ ions.…

Q: 57. The pH of normal, unpolluted rainwater is controlled by carbonic acid equilibrium: CO₂(g) →…

A: We have find out the answer.

Q: We have seen an introductory definition of an acid: An acid is a compound that reacts with water and…

A: Various definitions of acids and bases have been proposed from time to time. According to classical…

Q: At a particular temperature, lead(II) fluoride, PbF, has a K = 2.88×108. What is the fluoride ion…

A: CaF2 ⇋Ca2+ +2F- let  solubility = S Ca2+=SF- =2SKsp = Ca2+×F-2Ksp = S×2S2Ksp = 4S3

Q: The K, of phosphoric acid is 6.92 x 103. Calculate the pH of a buffer solution that is 0.44 M…

A:

Q: 10.0 ml of HCl was added to 100.0 ml of a 0.2 M solution of NH4Cl (Ka=1.8x10-5). The resulting…

A: Given values  Volume of HCl= 10.0ml Volume of NH4Cl = 100ml Molarity of NH4Cl = 0.2M pH= 1.4

Q: 8) If 100.0 mL of 0.250 M HBr is titrated with 0.150 M KOH answer the following questions. a) What…

A: Note - Since you have posted a question with multiple sub-parts, we will solve first three…

Q: +]=[ = = nt of a very weak ac M M M Calculate the equi

A:

Q: If 31.4 mL of a 0.75 M NaOH solution is added to a 47.1 mL sample of a 0.75 M weak acid, HA, what is…

A: Molarity of NaOH, M=0.75 M Volume of NaOH, V=31.4 mL Millimoles of NaOH=M x V (in mL)= 0.75 x 31.4…

Q: Formic acid, HCOOH, ionizes in water according to the following equation. The equilibrium constant…

A: :- This question is answered by using the simple concept of ionisation of weak acid and then using…

Q: för H2CO3 is 4.20 x 10 , what is the pH of the buffer solution? pH = Write the net ionic equation…

A: The question is based on the concept of buffer solution.   A buffer is a solution which resist any…

Q: equation: HCO3 (aq) CO2(g) + OH- (aq) we have saturated sodium bicarbonate with HCl, which is a…

A: Answer is explained below. Bromothymol blue is a pH indicator it shows acid and bases by changing…

Q: 10.00 mL of 0.45 M NaOH is added to 9.00 mL of 1.00 M HCOOH. What is the molar concentration of…

A:

Q: 6. What are the equilibrium concentrations of a 0.80 M HCN solution for each species (in M to two…

A: we have to calculate the equilibrium concentration of all species for the HCN solution

Q: 1. The ionization constant (Kb) of aniline (C6H5NH2) is 2.35 x 10^-5. If 7.285 grams of aniline is…

A: We can easily calculate the equilibrium concentration of the species by constructing an ICE table.…

Q: A buffer solution is made that is 0.408 M in HClO and 0.408 M in NaClO. If Ka for HClO  is 3.50 x…

A:

Q: Which choice below will increase the pH of a 0.2 M H2S  solution? Group of answer choices Bubble…

A: H2S <---> 2H+ + S2- Anything which will lead to decrease in the concentration of H+ will…

Q: Consider the weak acid, HA, in water as shown in the reaction below. The [HA] initially is 0.3120 M…

A:

Q: 11.An acid-base equilibrium system is created by dissolving 0.20mol CH3COOH in water and diluting…

A:

Q: A buffer solution is 0.363 M in CH,COOH and 0.372 M in CH3COOK. If K, for CH,COOH is 1.8×10, what is…

A: Since CH3COOH is a weak monoprotic acid. And since the pH of monoprotic acid buffer is given by…

Q: Fill in the left side of this equilibrium constant equation for the reaction of phosphoric acid…

A: ka = {[H3O+][H2PO4-]}/[H3PO4]. Explanation:When the phosphoric acid reacts with the water it…

Q: Oxaloacetic acid (C4H5O5, pKa1 = 2.56, pKa2 = 4.37), a diprotic acid, is part of the citric acid…

A: To calculate the concentration of Hydronium ion in the solution of sodium oxaloacetate , we would…

Q: Which of the reactions are exothermic? 2 Mg(s) + 0,(g) 2 MgO(s) AH = -1203 kJ/mol O NH, (g) + HCI(g)…

A:

Q: Find the pH of the 0.04 M Na3PO4 solution. (Ka1= 7x10-3, Ka2= 2.2x10-7 , Ka3= 4.5x10-13) P.s:…

A: The dissociation of Na3PO4 is: Na3PO4⇌3Na++PO43- The hydrolysis reaction of PO43- OR equilibrium…

Q: A buffer solution contains 0.444 M NaHSO3 and 0.246 M K2SO3. If 0.0239 moles of potassium hydroxide…

A:

Q: The acid - dissociation constant (Ka) of chlorous acid (HCIO2) is 1.1 x 10-2 Calculate the…

A: HClO2 is a weak acid with acid dissociation,  Ka = 1.1 × 10-2 .Initial concentration of HClO2 =…

Q: Consider the buffer system of hydrofluoric acid, HF, and its salt, NaF: HF(aq)+H2O(l) ⇌ H3O+(aq)…

A: A buffer is a solution which resists any change in pH on adding a small amount of acid or base.It is…

Q: What is the equilibrium concentration of chloroacetic acid, HC₂H₂O₂Cl, in a solution prepared by…

A:

Q: The active ingredient formed by aspirin in the body is salicylic acid, C H OH(CO₂H). The carboxyl…

A:

Q: Calculate the pH of a buffer solution prepared by dissolving 0,48 mole of sodium fluoride (NaF) and…

A: Buffer solution is a type of solution which resist the pH change when small amount of acid or base…

Q: 4. The equilibrium constant values for a number of reactions are listed below. Indicate whether the…

A:

Q: Using the formula below, calculate the percent ionization of 0.01 M hexanoic acid, which contains…

A:

Q: Determine the direction to which the equilibrium will shift if the following changes occur (forward…

A: LeChatelier's principle: When factors like concentration, pressure, temperature, inert gases that…

Q: Consider a hypothetical acid-base indicator, "HX", ionizes in water according to the equation HX(aq)…

A: HX(aq) <----> H+(aq) + X-(aq)

Q: Given the following information: hydrocyanic acid formic acid HCN HCOOH A₂ A² (1) Write the net…

A: The question is based on the concept of chemical reactions. we need to write net Ionic equation and…

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.