Question

For 530.0 mL of a buffer solution that is 0.185 M in CH3CH2NH2 and 0.170 M in CH3CH2NH3Cl, calculate the initial pH and the final pH after adding 0.020 mol of HCl.

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Science
Chemistry

Equilibrium Concepts

Related Chemistry Q&A

Find answers to questions asked by students like you.

Q: A sample of argon gas at standard pressure occupies 1000 ml. At constant temperature, what volume do...

A: Click to see the answer

Q: P Pearson ion Inc. All rights reserved. | Terms of Use | Privacy Policy Permissions | Contact Us Mac...

A: Calculation for number of moles of MgCl2:

Q: How many 3d electrons are in an atom of each element? Arsenic

A: Arsenic is a chemical element with the symbol As. Its atomic number is 33.electronic configuration o...

Q: What is the molarity of calcium bicarbonate if 9.80 mL of 1.50 M HNO3 is required in a titration to ...

A: Given:Volume of Nitric acid = 9.80mL = V1Molarity of Nitric acid = 1.50 M = M1Volume of Ca(HCO3)2 = ...

Q: How to answer question 1?

A: The given dissociation reaction as follows,

Q: It requires 120 J of heat to raise the temperature of 50.5 g of samarium from 275.0 K to 287.7 K. Wh...

A: The specific heat capacity of samarium can be calculated as

Q: How will an increase in temperature affect each of the following equilibria? How will a decrease in ...

A: le chatelier principle:It states that if a dynamic equilibrium is disturbed by changing the conditio...

Q: Liquid oxygen and liquid nitrogen behave differently in a magnetic field. Match the picture below wi...

A: Paramagnetic substances are the substances that contain unpaired electrons. These unpaired electrons...

Q: Question 7

A: Given information:Mass of metal X = 2.500 gVolume of solution = 100.0 mLConcentration of HCl solutio...

Q: Cyclohexanol, C H,,OH, is sometimes used as the solvent in molecular weight determinations by freezi...

A: Weight of benzoic acid = 0.253 gWeight of cyclohexanol = 12.45g = 0.01245 kgLowering in temperature ...

Q: A 23.74-mL volume of 0.0981 M NaOH was used to titrate 25.0 mL of a weak monoprotic acid solution to...

A: When acid reacts with a base, it leads to the formation of salt and water. The chemical reaction for...

Q: If my elimination product is correct then what would the SN2 product be?

A: The SN2 reaction is a nucleophilic bimolecular substitution reaction. It involves nucleophilic subst...

Q: Help 1

A: The percent of water in the hydrate is calculated as,

Q: I need help with d-f

A: a) the reaction is 

Q: The standard molar entropy of NH3 is 192.45 J K1 mol at 298K, and its heat capacity is given by the ...

A: Click to see the answer

Q: I need help understanding and solving the following problem:A 30.0 mL analyte is made up of 0.155g o...

A: At equivalent point, the number of moles of monoprotic acid is equal to the number of moles of NaOH....

Q: after dissolving in 50.0 ml of good water, the zinc in a 0.3232 gram sample of foot powder was titra...

A: The percentage of Zn can be calculated asThe weight of zinc = 0.3232 gramsMolar mass of Zn2P2O7 = 30...

Q: Five moles of an ideal gas expands isothermally at 300 K from an initial volume of 100 L to a final ...

A: Determine the maximum work the gas can deliver:

Q: Calculate the energy required to heat 0.40kg of water from 44.4°C to 62.6°C .Assume the specific hea...

A: Absorbed heat energy is given as,

Q: Chemistry Question

A: The sketch of the 1s orbital is shown below.

Q: The predominant attractive force in (CH3)2NH is: a.hydrogen bonding b. dipole-dipole attractions c.i...

A: The structure of the of (CH3)2NH is

Q: I am looking to know the products of the reaction of carbamic acid and ammonia to form an amide  and...

A: The chemical reaction of an acid with ammonia leads to the formation of an ammonium ion and a carbox...

Q: For the following dehydrohalogenation (E2) reaction, draw the Zaitsev product(s), showing the stereo...

A: E2 is a bimolecular elimination reaction. The mechanism of this reaction involves only one step. In ...

Q: Please explain as much as possible. Why did you use the equation? Or what conditions did you see fro...

A: According to first and second law of thermodynamics,

Q: What is the reduction half-reaction for the reaction between iron(II) sulfate and potassium permanga...

A: The reduction half-reaction for the reaction between iron (II) sulfate and potassium permanganate in...

Q: An expandable balloon filled with 100.0 L of helium at 750 torr and 20°C is launched from ground lev...

A: As per the given data in the question,P1 = 750 torr; V1 = 100.0 L; T1 = 20 + 273 = 293 KP1 = 190 tor...

Q: How does the volume of an ideal gas at constant temperature and pressure change as the number of mol...

A: The ideal gas law is also known as the general equation of gas refers to the equation of state of a ...

Q: Use the set of three reactions shown below to answer the questions that follow.2NO(g) + O2(g) → 2NO2...

A: Consider the amount of heat energy produced as “x”.The molar mass of NO is 30.01 g/mol

Q: A cylinder, with a piston pressing down with a constant pressure, is filled with 2.10 moles of a gas...

A: Given:Initial Moles of gas = 2.10 Initial Volume  =  46.0 L Leaked Moles = 0.700                 Wha...

Q: Calculate ΔH° for the process Sb(s) + 52Cl2(g) ⟶ SbCl5(s) from the following information: Sb(s) ...

A: According to the Hess’s law of Constant heat Summation, regardless of the number of steps or stages ...

Q: A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains 6....

A: The specific heat can be defined as the amount of heat per unit mass that is needed to raise the tem...

Q: What is the hydronium ion concentration of a 0.0045 M solution of HNO3 ?

A: Chemical reaction is given by:

Q: a,b,c,d

A: Chiral center: Carbon attached with four different groups of atoms.The location (3) and (5) are the ...

Q: 1A 8A H 2A 3A 4A 5A 6A 7A He B CN O F Ne Li Be Na Mg 3B 4B 58 6B 7B 881B 28 AI Si PSCI Ar K Ca Sc Ti...

A: Isoelectronic species are defined as the elements or ions having equal number of electrons but havin...

Q: Complete the following equation for the preparation of this new element:?+24998Cf→294118Og+310n

A: Given,? + 24998Cf → 294118Og + 310nThe element symbol, atomic number and mass number can be written ...

Q: Liquid hexane (CH3(CH2) CH3will react with gaseous oxygen (02) to produce gaseous carbon dioxide (CO...

A: The mass of product formed in a chemical reaction depends upon the amount of limiting reactant. Limi...

Q: E3b. When a brass block was dropped into 124 g water, the water temperature increased from 21.0 C to...

A: Given that a brass block was dropped into 124 g water. The specific heat capacity of water is 4.184 ...

Q: In order to prepare 50.0 mL of 0.100 M HC2H3O2 you will add ____ mL of 1.00 M HC2H3O2 to ____ mL of ...

A: The volume of acetic acid is calculated as,

Q: Calculate the number of atoms present in a sample of 1.50 grams of silver (Ag).

A: Find the mole of silver that present in 1.50 grams of silver sample,

Q: 23U (atoic mass 238.050784 u) decays via alpha decay to 234Th (atomic mass 234.043593 u). What is th...

A: Alpha-decay of  238uranium is shown by equation (1)Mass of uranium atom =238.0507785 uMass of thoriu...

Q: The standard molar entropy of NH3 is 192.45 J K-1 mol-1 at 298K, and its heat capacity is given by t...

A: The given relation to calculate the heat capacity is shown below:

Q: 2) Ifa student weighs out 0.500 g of KHP and titrates it with sodium hydroxide solution, what is the...

A: The given KHP is an acid salt compound of the weak acid phthalic acidNow if we titrate KHP with a st...

Q: To determine mass relationships in a chemical reaction, do you first need to know the balanced chemi...

A: The chemical equation is to be balanced to determine the mass relationship. This is done in accordan...

Q: An electrical heater is used to supply 235.0 J of energy to a 15.0 g sample of water, originally at ...

A: Given,15.0 g sample Energy of heater = 235.0 JInitial temperature = 295.0 K

Q: Consider the following reaction: Solid calcium oxide reacts with carbon dioxide gas to form solid ca...

A: Determine limiting reagent:

Q: For each of the reactions below, classify as a combination, decomposition, single replacement, or do...

A: Given Chemical reaction:

Q: calculate the mass of sulfur in 2.40 mol of H2SO4

A: Given information:Moles of sulfuric acid (H2SO4) = 2.40 moles

Q: How to answer question 3?

A: Given,Ksp of fluorapatite, Ca5(PO4)3F = 1×10-31Ca5(PO4)3F dissociates in water as:Ca5(PO4)3F (s) ↔ 5...