What is the pH of a solution when 4.9 g of ammonium bromide, NH,Br (M=98) , is used to make 200 mL of solution? NH4*(aq) + H2O(1) →H3O*(aq) + NH3(aq) The equilibrium constant Kc= 5.6 x 10-10 O a. 12.22 O b. 9.07 О с. 1.77 O d. 7 О е.4.92

Q: 2. The substance benzoic acid (C6H5COOH) is a weak acid (Ka = 6.3×10-5).What is the pH of a 0.258 M…

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Q: 0.10 mole of HCl is added to 1.0 L of 0.25 M NH3 solution.  What is the pH?  Kb for ammonia is 1.8 x…

A: Molarity is defined as total number of moles of solute present in 1000 ml of solution Molarity =…

Q: The pH for 0.0850 M solution of C₆H₅CH₂COOH is 2.68. Determine the value of Ka for C₆H₅CH₂COOH.  A…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: 18) How many grams of sodium fluoride (MM =41.988 g/mol) must be added to 250.0 mL of a 0.100 M…

A: This question based on formula of acidic buffer  NaF and HF is acidic buffer   The answer is c that…

Q: Sodium phosphate, Na3PO4, is an ingredient of some preparations used to clean walls before they are…

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Q: The pKa for HCN(aq) is 9.21. What is the pH of a 1.245 M solution of NaCN? O a. 11.25 O b. 1.24 O c.…

A: this is the salt of weak acid and strong base. so ,we will use hydrolysis equation of weak acid and…

Q: 11. For the weak base piperidine, CsHioNH, K. = 1.30 x 10-3. What is the equilibrium concentration…

A: 11) Reaction- C5H10NH + H2O  →      C5H10NH2+ + OH-

Q: 14.7 What is the pH of each solution? a ) 2.2 x 10-2 Μ ΝΟ; b) 1.05 М HI c) 0.011 mol of HCIO4 in…

A: The solutions are

Q: I Review | Constants | Periodic Table What is the pH of a solution obtained by dissolving two The…

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Q: 0.244 L of 0.200 M HCl(aq) is combined with 0.0600 L of 0.400 M CH3NH2(aq).  What is the pH of the…

A: Given Volume of .200M HCl= 0.244LVolume of 0.400M CH3NH2 = 0.600LKb = 4.4x10-4

Q: What is the pH of a solution that is 0.100 M NH3 and 0.350 M NH4CI? Kb of NH3 = 1.8 x 10-5 9.26 9.80…

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Q: What is the pH of a solution when 4.9 g of ammonium bromide, NH4B (M=98) , is used to make 200 mL of…

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Q: what is the pH of a solution prepared by mixing 15.0 mL of 0.50 M NaOH and 30.0 mL of 0.50 M benzoic…

A: The measurement of pH is widely used in various applications such as in agriculture, environmental…

Q: What is the pH of a solution made by adding 0.65 m of acetic acid (H3CO2H) and 0.30 mol of sodium…

A: Concept introduction: Buffer solution: It is the solution which resist the change in pH when small…

Q: Which one of the multiple choice is correct? 1. What is the percent composition(by mass) of…

A: "Since, you have posted multiple questions, we will solve only first question for you as per the…

Q: 300. mL of a solution containing 1.5 M NH4C1(aq is mixed with 500. mL of a solution containing 0.50M…

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Q: For a solution of an aqueous hypochlorous acid solution, the Ka is 5.0 x 10-8 and [HOCI] is 0.050M.…

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Q: What will be the pH of 0.025 M NaOH solution in H2O at 60 °C? (KW60°C = 1.0 x 10-11) A. 1.6 B. 9.4…

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Q: Pyridine, C5H5N, is a pesticide and deer repellent, Its conjugate acid, the pyridinium ion C5H5NH+,…

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Q: In an analysis carried out with water (H2O) at 90 °C, a chemist found an amount of hydroniums (H3O+)…

A: Given :-  Concentration of hydronium ion at 90°C = 5×10-7 mol/L  Concentration of hydroxide ion at…

Q: What is the pH of a solution prepared by dissolving 1.00 g of the weak acid HA (molar mass = 138.95…

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Q: 10-4 mole of Cl2 is added to 1 liter of water at 25 °C. Balance the reaction of Cl2 + H2O = HOCl +…

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Q: What is the pH of a 0.30 M pyridine solution that has a Kb 1.9 x 10 2 The equation for the…

A: Consider the given information is as follows; Initial concentration of pyridine C5H5N = 0.30 M pH =…

Q: 5. The binding of oxygen by hemoglobin in the blood involves the equilibrium reaction: HbH*(aq) + 02…

A: This problem can be solved by using the Le chatlier's principle. According to Le chatlier's…

Q: HCN is a weak acid (?a=6.20×10−10) , so the salt, KCN , acts as a weak base. What is the pH of a…

A: First write down the reaction between KCN and H2O. Then find OH- or H3O+ and using that find pH of…

Q: Calculate the pH when 45.0 mL of 0.100 M NaOH is added to 50.0 mL of 0.100 M CH3COOH (acetic acid)…

A: Calculation of mmols of NaOH: Calculation of mmols of CH3COOH: pKa of CH3COOH can be calculated as…

Q: Butyric acid (HC4H7O2) is responsible for the odor in rancid butter. A solution of 0.25 M butyric…

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Q: In distilled water @ 35 degrees C, transition metal hydroxides undergo the following equilibrium…

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Q: 5. Which of the following is a conjugate acid-base pair? H₂PO4 and HPO4² HCO3 and CO² NaOH and OH…

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Q: HA is a weak acid. We mix 3.000 L of a 0.555 M solution of HA with 1.000 L of a 0.444 M solution of…

A: Given data 3.000 L of a 0.555 M solution of HA  is  mixed with 1.000 L of a 0.444 M solution of…

Q: What is the pH of a solution made by adding 0.45 mol of hydrocyanic acid (HCN) and 0.35 mol of…

A: For a solution containing weak acid and its conjugate base, pH is given by Henderson Hasselbalch…

Q: Qi//A solution of o.1 M of BX salt with pH=9.5, the HX is weak acid and BOH a strong base. Calculate…

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Q: 7. In aqueous solution, hydrazine is a base that can accept two protons: N,H4(ag) + H2O(1) 2…

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Q: this is the complete question: What is the pH of the following mixtures? (a) 0.050 M NaHSO3 (b) 0.50…

A: Since your question has multiple sub-parts, we will answer the first three sub-parts for you. If you…

Q: What is the pH of a 0.350 M solution of lithium citrate? (Ka Citric Acid = 7.4 x 10-4) I am only…

A: pH generally known as power of hydronium ion,  it tells the solution is acidic or basic .

Q: What is the pH of a 0.196 M aqueous solution of ammonium chloride, NH4Cl ? pH = __________ This…

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Q: A solution made by adding solid NaCIO to enough water to make 2.00 L of solution has a pH of 10.50.…

A: Given, The balanced chemical equation is; ClO-aq + H2Ol → HClOaq + OH-aq Base ionization constant…

Q: A solution of volume 0.500 L contains 1.68 g NH3 and 4.05 g (NH4)2SO4. N: 14, H:1, S:32, O:16…

A: A buffer solution is an aqueous solution consisting of a mixture of weak acid and it's conjugtae…

Q: What is the pH of a 0.31 M solution of NH4CIO4? Kp of NH3 is 1.8 x 105. Round tenth (X.X).

A: given data from question- conc. = 0.31 M Kb = 1.8×10−5 pH = ?

Q: A solution is made by dissolving 44.1 g of Ba(NO₂)₂ in 500.0 mL of water.   (a) Does Ba²⁺ have any…

A: Ba(NO2)2- is a salt . salt is made by reaction of an acid and a base . so this must be made from :…

Q: The following questions concern the reaction HA(aq) + B(aq) ⇄ HB1+(aq) + A1–(aq). What can you say…

A: The given reaction is, HA(aq) + B(aq) ⇔ HB+(aq) + A-(aq)

Q: In determining the pH of 0.010M solution of weak acid, HCNO, which equations are relevant in the…

A: Ka= 3.47x 10-4

Q: PH of a 0.025 aqueous solution of boric acid?

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Q: A 0.10 M aqueous solution of which of the following salts will have the lowest pH? A. Ni(NO3)2 B.…

A: Since the solution should be having lowest pH. Hence the solution will be most acidic because lower…

Q: BH+ClO4 is a salt formed from the base B (Kb= 1.00 x 10-4) and perchloric acid. It dissociate into…

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Q: The pH of a 1.00 M NaCH3COO (aq) solution is 9.38. a/ Determine the concentration of [OH-] in the…

A: "Since you have posted a question with multiple subparts, we will solve only first 3 subparts for…

Q: What was the original concentration (M) of an aqueous acetic acid (CH3COOH) solution whose pH is…

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Q: 9. (a) What is the pH of () 0.10 М КОН (ад) (ii) 0.15 M HNO3(aq) (iii) The solution resulting from…

A: According to given problem, at first we have to calculate the pH values of a strong base (KOH), a…

Q: 20) What will be the pH (aq., 25 °C) of 250.0 mL of a solution of 0.545 M HCOOH and 0.628 M HCOOK,…

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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.