Calculate the pH of a solution that is 1.00 M HCN and 1.00 M HF. Compare the concentration (in molarity) of the CN- ion in this solution with that in a 1.00 M HCN solution. Comment on the difference.

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 0.350 M solution of HF (Ka = 6.8 × 10⁻⁴)?

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Q: true or false The amphoteric oxides and amphoteric hydroxides are soluble in both strong acids and…

A: The statement is true  The amphoteric oxides and amphoteric hydroxides are soluble in both strong…

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: What is the equilibrium constant of the HSO4-ion, if [H3O+] = 0.027 M; [HSO−4] =0.29 M; and [SO2−4]…

A: The Complete and balanced chemical equation is given as,

Q: What is the pH of the solution prepared by allowing 1.55 g of Na2O to react with 500.0 mL of water?…

A: Reaction: Na2O + H2O→ 2NaOH  1mole Na2O reacts with 1 mole H2O to give 2 moles of NaOH

Q: Calculate the pH of a solution of ammonium acctate. Given that: K, - 1.76 x 10, K,- 1.8 x 10 and K,…

A: A salt formed of weak acid and strong base is alkaline in nature and has a pH above 7 while a salt…

Q: Lareina the laboratory technician is given the task of making a solution containing HOBr…

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Q: Calculate the pH of a 0.600M solution of tin chloride SnCl2.

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Q: Calculate the pH of a solution that is prepared by dissolving 0.23 mol of hydrofluoric acid (HF) and…

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Q: By analogy to examples given in the text, predict what gas forms when Na2SO3(s)reacts with HCl(aq).

A: Neutralization reaction-  Reaction between acid and base to form salt and water. HCl is an acid and…

Q: The active compound in Pepto-Bismol contains C, H, O, and Bi.(a) When 0.22105 g of it was burned in…

A: Since we only answer up to 3 sub-parts, we will answer the first three. Please resubmit the…

Q: Calculate the concentration of CO²- In an aqueous solution of 0.255 M carbonic acid, H₂CO₂ (aq).…

A: Carbonic acid, H2CO3 is a diprotic acid with Ka1 = 4.47*10-7 and Ka2 = 4.68*10-11  Given the…

Q: What is the pH of (a) a 0.028 M solution of NaOH, (b) a 0.0011 M solution of Ca1OH22?

A: What is the pH of (a) a 0.028 M solution of NaOH, (b) a 0.0011 M solution of Ca(OH)2?

Q: 1. How many grams of Ca3(PO4)2 will be needed to prepare 500.0 mL of a 0.161-M solution of…

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Q: Calculate the pH of a solution containing 0.3 M HCOOH and 0.1 M HCOO (pKa of HCOOH = 3.76)

A: Concentration of HCOOH (Acid) = 0.3 M  Concentration of HCOO- (conjugate base of acid) =  0.1 M  pKa…

Q: Caleulate the concentration of HS" in an aqueous solution of 0.0646 M hydrosulfuric acid, H2S (aq).…

A: 7. a) Given that : We have to calculate the concentration of HS- in an aqueous solution of 0.0646 M…

Q: Calculate pH of a 0.1 M solution of AlCl3.

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Q: Based on the relation, Explain why does the solubility of Group II hydroxides increase and the…

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Q: Let's assume that there is 400 μatm of pCO2 in our atmosphere. Assuming there is nothing else in the…

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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: Iron in drinking water is removed by precipitation of the Fe3+ ion by reaction with NaOH to produce…

A: Iron reacts with NaOH to produce iron (III) hydroxide. Here iron is in the form of Fe3+ion. The…

Q: The pH of a 0.10 M solution of Ni(NO3)2 is 5.0. Calculate the acid ionization constant of Ni(H 2O)…

A: [Ni(H2O)6]2+ is a Bronsted- Lowry acid. It releases H3O+ in solution.The acid ionization reaction is…

Q: Propionic acid, CH3CH2COOH, has a Ka = 1.34 x 105. If 10.00 mL of 0.080 M propionic acid is mixed…

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Q: Each day the stomach produces 2.0 L of gastric juice that contains 0.10 M HCl. Phillips Milk of…

A: Given ,  Molarity of HCl (M1) = 0.10 M Volume of HCl (V1) = 0.093 L = 93. mL  Concentration of…

Q: calculate the ph of a 0.600 solution of Na2S

A: When Na2S dissolved in water - Na2S + 2H2O <===> 2NaOH + H2S Thus, sodium Sulfide is a salt of…

Q: When 0.262 mol of a weak acid, HX, is dissolved in 2.00 L of aqueous solution, the pH of the…

A: Concentration of acid = moles / Volume  Concentration of acid = 0.262 / 2 = 0.131 M

Q: Calculate the pH of a 0.450 M solution of NH4Cl (Kb for NH3 is 1.8 x 10-5)

A: Interpretation -  To determine the pH of 0.45M of NH4Cl solution when Kb of NH3 = 1.8 ×10-5 .…

Q: Explain why KNO3 is a suitable salt to be used in salt bridge.

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Q: Write a net ionic equation for the equilibrium that causes the solution of KHTar in water to be…

A: KHTar is used for potassium acid tartarate. A solution is said to be acidic when there is the…

Q: Calculate the pH of a 0.100 M NaHCO3 solution.

A: The pH of a given solution can be defined as the measure of its basicity or acidity. More the pH…

Q: Suppose 1.00 mol of HCOOH and 0.500 mol of NaHCOO are added to water and diluted to 1.00 L.…

A: Given  moles of HCOOH  = 1.00 mol moles of NaHCOO = 0.500 mol Ka                             = 1.77…

Q: 1. Calculate pH and concentrations of the ions for ammonia aqueous solution with concentration 0.010…

A: Given that : The concentration of ammonia = 0.010 M The pKb of ammonia is 4.76. We have to calculate…

Q: 1. Ammonia in solution. a. Write the net ionic equation that shows the reaction of 1.0 M ammonia,…

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Q: Calculate [H3O+] and pH for a 0.317 M solution of HF; Ka = 6.8 × 10−4.

A: Given, Concentration of HF (C) = 0.317 M Dissociation constant of HF , Ka = 6.8×10-4 [H3O+] = ? pH =…

Q: 1. Calculate the pH of 0.10 M (COOH)2 (aq), oxalic acid. Ka1 = 5.9 × 10–2 ; Ka2 = 6.4 × 10–5.

A: Note - Since you have asked multiple question, we will solve the first question for you. If you…

Q: ydroxide ion and the equilibrium pH should be high for the balanced equation. What will be F- in…

A: The Ka of HF is 6.6 × 10-4. 0.1 NaF dissociates completely and forms 0.1 M fluoride ions. These…

Q: Calculate the fluoride ion concentration and pH of a solution that is 0.20 M in HF and 0.10 M in…

A: Common Ion effect: It is defined as the effect in equilibrium that occurs when common ion is added…

Q: 0.3728, 0.9319, 1.4910 and 1.8638 g aliquots of KCI were dissolved in 4 separate 250 ml samples of…

A: KCl is a salt of strong acid and strong base. As a result, it doesn't undergo hydrolysis when…

Q: The first step in purifying the urine collected on the ISS is to treat every liter of urine with 20…

A: #(a): H2SO4 is a diprotic acid. The dissociation equations are: H2SO4(aq) ----> HSO4-(aq) +…

Q: What is the pH of a 0.460 M solution of HF (Ka = 6.8 × 10⁻⁴)?

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Q: 2.50 g of sodium acetate, CH3COONa was dissolved in 150.0 mL of water, H2O. A solution of 0.025 M…

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Q: Calculate the pH when 0.84 g of LIOH is dissolved in 250.0 ml of water. 13.15 12.74 O 12.37 12.96

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Q: Calculate the concentration of all ions present in each of the following solutions of strong ele a.…

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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: Calculate the pH of a solution of 0.25M Nacio(ag). The Ka of HCIO is 2.9 x 108.

A: NaClO is a salt of weak acid HClO. It has pH greater than 7 as it is base.

Q: Write the balanced NET IONIC equation for the reaction that occurs when nitric acid and calcium…

A: Formula for Nitric acid is HNO3 Calcium hypochlorite is Ca(ClO)2

Q: 2. Calculate the molarity of the resulting solution if 0.629 grams of Hydrogen ion [H*] is dissolved…

A: In the given question we have to calculate the molarity and pH of the hydrogen ion. given data:…