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: Carbonic acid, H,CO, is a diprotic acid with Ka1 = 4.3 × 107 and Ka2 = 5.6 × 1011. What is the pH of…

A: H2CO3 ⇌HCO3−  +   H+.........     ka1= 4.3x10-7 HCO3− ⇌CO3-2 ​+   H+..........    Ka2=5.6x10-11ka1…

Q: What is the pH of a solution composed of 0.20 M NH3 and 0.15 M NHẠCH (Pkb of NH3=4.75) O 2.15 4.62…

A: Given:- NH3 = 0.20M = BaseNH4Cl = 0.15M = Saltpkb of NH3 =4.75pH = ?

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: Consider the following reaction at equilibrium. 2 Cro42- (aq) + 2 H* (aq) = Cr20;2- (aq) + H20 (1)…

A: According to Le Chatelier’s principle the equilibrium of the reaction shifts if the concentration,…

Q: 2. A buffer solution of volume 0.500 L contains 1.68 g NH3 and 4.05 g (NH);SOu. a) What is the pH of…

A: “Since you have asked multiple questions, we will solve the first question [Q2] for you. If you want…

Q: 27.75 mLmL of 0.349 M HClM HCl is used to titrate 10.0 mLmL of aqueous ammonia to a methyl red…

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Q: Predict whether a reaction takes place in each of the following instances. a)Tin metal is added to…

A: Reactions of metals.   As per our guideline we have to answer first three questions only in first…

Q: What is the equilibrium concentration of H2C2O4 in a 0.542 M oxalic acid, H2C2O4, solution? For…

A: Acid dissociation Here we have a weak acid H2C2O4 which dissociates only to a small extent. H2C2O4…

Q: 4. What are the equilibrium concentrations of all species and the pH of a 0.20 M solution of HF…

A: The question is based on common ion effect.  Due to common ion effect of F- equilibrium of HF shift…

Q: What are the major species in the solution? 2) Should this solution be acidic or basic? 3) What is…

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Q: An unknown hydroxide of the formula X(OH)2 is only slightly soluble in water. A scientist is curious…

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Q: Which of the following aqueous solutions has the lowest pH: 0.1 M HCL; 0.1 M acetic acid (pKa=4.86);…

A: Both the acetic acid and formic acid are weak acid . Thus they dissociates very small. Thus…

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

A: in this question given ka ka= Acid dissociation constant, acid dissociation constant is used to…

Q: 9 Write the formula of the conjugate acid of a HSO, b CO;?

A: According to Bronsted Lowry Theory , any molecule that donate H+ atom is an acid and any molecule…

Q: 0.0500 M HF (Ka= 7.20 x 10–4)  determine the equilibrium molar concentration of H3O+ and…

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Q: The sample of 30.00 mL of 0.015 M HClO is titrated with a 20.00 mL of a 0.015 M NaOH solution.  (c)…

A: The reaction can be given as follows: HClO(aq)+NaOH(aq)→NaOCl(aq)+H2O(l) Molarity of HClO = 0.015 M…

Q: What is the pH of a mixture of 0.042 M NaH2PO4 and 0.058 M Na2HPO4?

A: Given : Concentration of NaH2PO4 = 0.042 M Concentration of Na2HPO4 = 0.058 M

Q: A solution is made initially with 0.230 M HIO₃ (Kc = 0.170). Once the equilibrium below is…

A: The equilibrium dissociation reaction is: HIO3(aq) ⇌ H+(aq) + IO3-(aq) ; Kc = 0.170 Concetration of…

Q: Lactate is an important component in some intravenous solutions. Given pKa = 3.86 for lactic acid,…

A: pH = pKa  +  log ( [ conjugate base ]/[weak acid] ) ---------(i) pKa = 3.86 ( given) HC3H5O3…

Q: NH4F is a salt made from a weak base and a weak acid. The following questions are related to a 0.250…

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Q: Boric acid, BOH is used as a mild antiseptic. What is the pH of a 0.025 aqueous solution of boric…

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Q: The following assertions apply to acid A and base B. • When acid A interacts with a strong base and…

A: Acidic strength in case of oxyacids depend upon number of oxygen atoms.

Q: A solution is made initially with 0.260 M HIO₃ (Kc = 0.170). Once the equilibrium below is…

A: Given,   kc =0.170Initial concentration = 0.260M

Q: Boric acid, BOH is used as a mild antiseptic. What is the pH of a 0.025 aqueous solution of boric…

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Q: Assume you dissolve 0.333 g of the weak acid benzoic acid, CH, CO₂H, in enough water to make 1.00 x…

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Q: 2.) What is the general pH of water when the following salts are added? Acidic, basic, neutral ...…

A: Hello. Since your question has multiple questions, we will solve the first question for you. If you…

Q: A solution is made initially with 0.180 M HIO₃ (Kc = 0.170). Once the equilibrium below is…

A: The constant combining the forward-backward reaction together is named "equilibrium constant". Any…

Q: A solution is made initially with 0.200 M HIO3 (Kc = 0.170). Once the equilibrium below is…

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Q: Calculate [OH]in a solution obtained by adding 1.00 g solid KOH to 1.00 L of 10.0 M NH3. (Kb of NH3…

A: The mass of KOH added to 1.00 L of 10.0 M NH3 is 1.00 g. The dissociation constant of NH3 is…

Q: At 25 °C, only 0.0110 mol of the generic salt AB, is soluble in 1.00 L of water. What is the K, of…

A: Given reaction is, AB2s⇌A2+aq+2B−aq At 25oC, only 0.0110 mol of the generic salt AB2 is soluble in…

Q: write the formula for the salt formed by mixing Pb2+(aq) and OH- ions as PbOH or PbOH2. Explain why…

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Q: Magnesium trisilicate, Mg2Si3O8·H2O in medicine is an antacid. Explain the use of magnesium silicate…

A: We know, for neutralization M1V1 gastric juice=M2V2 of NaOH 5*M1=0.15*10 M1=0.3M is the molarity of…

Q: Based on the chemical equation provided, which of the following is equivalent to K,? [Ag*][CH]…

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Q: Which of the following substances can be classified as a Lewis base? CO Cu F a) O, only b) O, and CO…

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Q: Boric acid, BOH is used as a mild antiseptic. What is the pH of a 0.025 aqueous solution of boric…

A: Step 1                            B(OH)3 + H2O ⇌ BOH 4- + H+At t = 0                 CAt Equilibrium…

Q: Calculate the pH of a 0.10-M solution of aluminum chloride, which dissolves completely to give the…

A: The hydration of aluminum chloride to furnish [Al(H2O)6]3+ ion is expressed as follows:…

Q: Calculate the equilibrium molar concentration of a weak acid HA (154.5 g/mol) if 200 mg of that acid…

A: Weak acid - These are the acids that do not dissociate completely in water.  200mg of the weak acid…

Q: Which substance, when dissolved in water, will produce the solution with the lowest pH? (A) CaCl2…

A: The salt which is formed by the combination of strong base and strong acid have pH = 7 when…

Q: Three acid samples are prepared for titration by 0.03 M NaOH: Sample 1 is prepared by dissolving…

A: Concentration(M) of any substance is defined as the amount (number of moles) of substance present in…

Q: A solution is made initially with 0.240 M HIO3 (Kc = 0.170). Once the equilibrium below is…

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Q: A buffer solution is 0.402 M in NaH2PO4 and 0.318 M in Na2HPO4. If Ka for H2PO4- is 6.2 x 10 -8,…

A: The solution has NaH2PO4 which will dissociate completely into ions Na+ and H2PO4-  Hence…

Q: 3. A typical vitamin C tablet contains pure ascorbic acid H2C6H6O6 (a weak, diprotic acid). If 2…

A: a.) To write the dissociation equation , we just ionise the given compound into its ions .  b.) To…

Q: Consider a solution that is 0.046 M HF and 0.022 M NaF. 1) What is the pH of this solution? 2) What…

A: Given: Concentration of HF = 0.046 M And concentration of NaF = 0.022 M

Q: What is the concentration of each ion in each of the following solutions? (assume complete…

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Q: How many mols of HBr are used to neutralize 18.66 mL of a 0.2299 M Ca(OH)₂ solution?

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Q: When Na2CO3, NH4Cl, H4SiO4 are mixed in water, what reactions occur, which species exist. and…

A: Answer is as Follows :

Q: 6 A solution of NaOH has a pH of 10.50. How many grams of CaO should be dissolved in sufficient…

A: To solve this problem we have to first calculate the concentration of OH- by using the pH of NaOH…

Q: actual concentration of the molecular form of HF

A:

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.