Answered: Determine the pH at the equivalence…

Determine the pH at the equivalence (stoichiometric) point in the titration of 46.51 mL of 0.268 M CH3NH2(aq) with 0.222 M HCl(aq). The Kb of methylamine is 3.6 x 10-4.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter15: Acid-base Equilibria

Section: Chapter Questions

Problem 81E: Which of the indicators in Fig. 14-8 could be used for the titrations in Exercises 61 and 63?

See similar textbooks

Related questions

Q: se activity coefficients to calculate the pH after 10.0 mL of 0,120 M trìmethylammonium bromide were...

A: We have to find pH of solution.

Q: This is the chemical formula for nickel tetracarbonyl (a powerfully poisonous liquid used in nickel ...

A: Given :- chemical formula of nickel tetracarbonyl = Ni(CO)4 No.of.moles of C in sample = 47. mol T...

Q: If 500mL of 0.1IF lead altrate solution is added to 1L of 0.25F potossium lodate, calculate : a. num...

Q: 64584@q.164 e. What is the approximate molar mass of the metal? (Use Eq. 4.) joules/g C g/mol

Q: Fill in the following table with either the chemicals formed or no reaction upon mixing each pair of...

A: We have to fill the table.

Q: Given the following balanced equation: H3PO4(aq) + 3LiOH(aq) → Li3PO4(aq) + 3H2O(l) A solution o...

A: Given-> Molarity of H3PO4= 0.785M Volume of LiOH= 0.027 5 L Volume of H3PO4= 0.0320L molarity of...

Q: The elementary reaction 2H,O(g) = 2H,(g) + 0,(g) proceeds at a certain temperature until the partial...

Q: Part A Calculate A,G° for a redox reaction with n = 2 that has an equilibrium constant of K = 24 (at...

A: The Gibbs free energy change and the equilibrium constant are related as follows: Where, ∆rGo = cha...

Q: A student dissolves 10.6 g of ammonium nitrate (NH,NO, in 200. g of water in a well-insulated open c...

Q: What is the mass in grams and the weight in dynes and in gram-force of 12 oz of salt? Local g is 9.6...

Q: Find the empirical formula for a compound made of 55.20% Hg, 9.50% S, and 35.30% O.

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please re...

Q: 1) Which of the diene isomers is not suitable for 1,2- and 1,4-addition as well as [4+2] cycloadditi...

Q: Determine if the following pairs of compounds are identical, isomers or unrelated CH3CH=CH(CH2)3CH3...

A: Isomers are those compounds which have same chemical/Molecular formula but different structural form...

Q: In an aqueous solution of sulfuric acid, the concentration is 3.93 mol% of acid. The density of the ...

Q: Indicate the concentration of each ion present in the solution formed by mixing the following. (Assu...

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please re...

Q: Calculate the concentration of sulfide ions in a solution that is 0.080M in hydrogen sulfide and con...

A: Hydrogen sulfide is a weak acid.

Q: The solubility of silver nitrite, in water is 3.8 g/L. Calculate Ksp.

A: Given Solubility of AgNO3 (S) is 3.8 g/L first convert this into mol/ L S = 3.8 g / L x 1 / GM...

Q: Alveolar air (a mixture of nitrogen, oxygen, and carbon dioxide) has a total pressure of 758.5 mmHg....

A: According to Dalton's law Total pressure = sum of partial pressure of each specie.

Q: The graph shows A) Adding HNO3 from buret to HClO in flask B) Adding NaOH from buret to NH3 ...

A: the graph starts approximately from pH 10 which is our solution pH before the titration. it indicate...

Q: c. When 9.5 g of an impure Silver Nitrate (AGNO, mol. wt 170 g/mol) was treated with excess sodium c...

Q: At 25 °C, K. = 0.145 for the following reaction in the solvent CCI4. 2BRCI * Br2 + Cl2 If the initia...

Q: Calculate the pH for each case in the titration of 50.0 mL of 0.250 M HClO(aq)0.250 M HClO(aq) with ...

Q: The reactant concentration in a first-order reaction was 8.00x102 Mafter 45.0 s and 8.30x103 M after...

Q: A sample of ore containing manganese weighed 1.2354 grams. This sample was heated in a solution of n...

A: Initially we are calculating number of Mn2S3 and from that number of moles of Mn(NO3)3 is calculated...

Q: The structure of urea is shown below (attached image). Make sure to add any missing lone pairs. In...

A: The details about the structure of urea is given below

Q: Please note that "geometry" refers to the molecular or ionic geometry. A. The Lewis diagram for NOCI...

Q: Starting with benzene synthesize the following compounds: a) o-bromonitrobenzene b) m-bromonitrobenz...

Q: What NaCl concentration results when 279 ml. of a 0.660 M NaCI solution is mixed with 567 mL of a 0....

A: Concentration in terms of Molarity is the ratio between total moles of NaCl and total volume.

Q: 1. Salts are forIned by the reaction of an acid and a base. For each of the following combination pr...

Q: Should you use distilled or deionized water for each of the following processes? a. If you’re makin...

A: Here we have two types of water i.e. tap faucet water and deionised water(double distilled).

Q: Write the molecular, Total Ionic and Net Ionic equations Sulfuric acid and sodium hydroxide a. M: b...

Q: Air pollution emissions released by industry, vehicles, and fireplaces decrease during the winter mo...

A: Air pollution emissions released by industry, vehicles, and fireplaces increase air pollution.

Q: 1. If I took an NMR of tetracyclone, in what region(s) of the spectrum (ppm range) would I see peaks...

A: The 1H NMR of an organic compound indicates the peaks that correspond to the different proton enviro...

Q: Consider the following reaction and its equilibrium constant: I2(g) + Br2(g) ⇌ 2 IBr(g) Kc = 1.1 × ...

Q: This is the chemical formula for diethyl ether: (CH,CH,),O. . Calculate the mass percent of hydrogen...

A: Given :- chemical formula of diethyl ether = (CH3CH2)2O To calculate :- mass percent of Hydrogen ...

Q: When 146.0 mL of water at 26.0°C is mixed with 41.0 mL of water at 85.0°C, what e fina temperature? ...

A: given :- Volume of water at 26.0°C = 146.0 mL volume of water at 85.0°C = 41.0 mL To calculate :-...

Q: The hydroxide ion concentration of an aqueous solution of 0.482M hydrocyanic acid is [OH-] =

Q: 1. 2.

Q: Express the equilibrium constant for the following reaction. 2 P4O10(s) ⇌ 2 P4(s) + 10 O2(g) A)...

Q: Calculate the pH when 1.03 g of NaClO (FW = 74.44 g/mol) is added to 44.4 mL of 0.50 M HClO. Ignore ...

A: Answer: In this question we have to calculate the pH of the buffer made of HClO and NaClO.

Q: many grams of nitrogen gas (N2) are in a balloon with a volume of 35.7 L at STP? (1 mole of gas at S...

A: Given-> Volume= 35.7 L Molar mass of N = 14.01g/mole 1 mole gas has volume = 22.4 L (at STP)

Q: Determine the grams of H;0 produced when 0.485 grams of O; reacts with H2 according to the following...

A: To calculate the grams of H2O produced from given mass of O2, we would use the balanced chemical equ...

Q: alculate pressure of gas collected over water Magnesium metal is reacted with hydrochloric acid to p...

A: Given - - > Hydrogen gas which is collected over water in eudiometer = 28°C Atmospheric pressure ...

Q: A 2.00-L vessel contains 1.00 mol N2, 1.00 mol H2, and 2.00 mol NH3. The reaction is N2(g) + 3H2(g)...

Q: Express your answer using two significant figures. A, a weak acid, with Ka = 1.0 x 10-8, also forms ...

Q: The types of intermolecular forces in a substance are identical whether it is a solid, a liquid, or ...

A: The intermolecular forces between the molecules are same whether we talk about solid, liquid or gas ...

Q: Complete the table below. Be sure each of your answer entries has the correct number of significant ...

A: Complete the table of the given above--

Q: Calculate the pH for each case in the titration of 50.0 mL of 0.220 M HClO(aq)0.220 M HClO(aq) with ...

Q: What volume of a .35M AgNO3 is required to completely react with 55 mL of a

A: Balanced equation is 1 AgNO3 + 1 NaCl ---> 1 AgCl + 1 NaNO3 To find the volume formula used ...

Q: A mixture initially contains AA, BB, and CC in the following concentrations: [A][A]A_1 = 0.700 MM , ...

Question

QUESTION 13

Determine the pH at the equivalence (stoichiometric) point in the titration of 46.51 mL of 0.268 M CH₃NH₂(aq) with 0.222 M HCl(aq). The K_b of methylamineis 3.6 x 10^-4.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Trending now

This is a popular solution!

Step by step

Solved in 4 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

Calculate the pH for the complete titration of 100.0 mL of 0.122 M hydrazine, H2NNH2, with 0.200 M nitric acid. The Kb for hydrazine is 3.00x10-6. Group of answer choices 3.22 3.32 4.70 4.80 9.60 9.39
BenzoicacidhasaKa of6.46x10 . What is the pH of the solution that results when 25.0 mL of 0.300 M benzoic acid are titrated with 20.0 mL of 0.200 M KOH?
Calculate the pH for the complete titration of 100.0 mL of 0.122 M hydrazine, H2NNH2, with 0.200 M nitric acid. The Kb for hydrazine is 3.00x10-6. 9.39 3.32 4.80 9.60 4.70 3.22
The titration of 25.00 mL a 0.125 M HClO4 solution required 26.73 mL of KOH to reach the endpoint. What is the concentration of the KOH?
The pH of dissolving 1.48g of propanoic acid in 200ml of H2O is ---- If Ka=1.3*10^-5
Calculate the pH of a 18 M NaCH3COO(aq) (sodium acetate salt of acetic acid) at 25oC. The acid ionization constant for acetic acid is Ka= 1.8×10–5. Enter your answer with correct units and significant figures.
Which of the indicators in Fig. 14-8 could be used for the titrations in Exercises 61 and 63?
At 25°C, 50.0 mL of 0.50 M NaOH(aq) is added to a 250 mL aqueous solution containing 0.30 M NH3 and0.36 M NH4 Cl. What is the pH of the solution after the addition of the base? Assume that volumes areadditive. Kb of NH3 = 1.8 x 10−5
What is the pH of a solution made by combining 157 mL of 0.35 M NaC2H3O2 with 139 mL of 0.46 M HC2H3O2? The Ka of acetic acid is 1.8 × 10-5
Chemistry Questions 17-20 pertain to the titration of 50.00 mL of a solution that is 0.400 M in hydrazoic acid with a solution that is 0.800 M in the strong base lithium hydroxide. The Ka of hydrazoic acid is 2.5 x 10-5. What is the initial solution pH?
2. Calculate the volume at which pH = pKa if 40.00 mL of weak acid with a concentration of 0.09905 M is titrated against a strong base with a concentration of 0.1523 M?
A solution of volume 0.500 L contains 1.68 g NH3 (Kb = 1.8 x 10^-5) and 4.05 g (NH4)2SO4. How many milliliters of 12 M HCI must be added to 0.500 K of the original solution to change its pH to 9.00?