Answered step by step

Verified Expert Solution

Link Copied!

Question

1 Approved Answer

Posted on Jun 12, 2019

A titration curve showed that the equivalence point of a particular acid was achieved when 18.6 mL of 0.135 M NaOH were added to it.

A titration curve showed that the equivalence point of a particular acid was achieved when 18.6 mL of 0.135 M NaOH were added to it. The pH of the solution at equivalence was 8.4. At 9.3 mL the pH was 5.3. What is the Ka for this acid?

Step by Step Solution

★★★★★

3.42 Rating (155 Votes )

There are 3 Steps involved in it

Step: 1

At the equivalence point pH705pKa05logC where C is the ... blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

Step: 3

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Quantitative Chemical Analysis

Authors: Daniel C. Harris

8th edition

1429218150, 978-1429218153

More Books

Students also viewed these Chemistry questions

Question

★★★★★

When 5.00 mL of 0.1032 M NaOH were added to 0.1123 g of alanine (FM 89.093) in 100.0 mL of 0.10 M KNO3, the measured pH was 9.57. Use activity coefficients to find pK2 for alanine. Consider the ionic...

Answered: 1 week ago

Question

★★★★★

When 22.63 mL of aqueous NaOH were added to 1.214 g of cyclohexylaminoethanesulfonic acid (FM 207.29, structure in Table 8-2) dissolved in 41.37 mL of water, the pH was 9.24. Calculate the molarity...

Answered: 1 week ago

Question

★★★★★

It takes 38 mL of 0.75 M NaOH solution to completely neutralize 155 mL of a sulfuric acid solution (H2SO4). What is the concentration of the H2SO4 solution?

Answered: 1 week ago

Question

★★★★★

BT is considering investing in government bonds. The current price of a P100 bond with 10 years to maturity is P88. The bonds have a coupon rate of 6% and repay face value of P100 at the end of the...

Answered: 1 week ago

Question

★★★★★

The unclassified statement of financial position accounts for Sorkin Corporation, which is a public company using IFRS, for the year ended December 31, 2013, and its statement of comprehensive income...

Answered: 1 week ago

Question

★★★★★

A government gives a parcel of land to a company at no charge. The company builds a factory on the land and employs people at the factory to produce jam that is sold in local and interstate markets....

Answered: 1 week ago

Question

★★★★★

2. Study in shorter rather than longer blocks, unless you are really engaged and making great progress.

Answered: 1 week ago

Question

★★★★★

Analysts for Brazil Brewery have selected the following cost drivers: volume of beer produced (in hectoliters, i.e., 1 hL = 100 L), total amount of raw materials used (in kilograms), number of...

Answered: 1 week ago

Question

★★★★★

The stock of XYZ sells for $65 a share. Its likely dividend payout and end-of-year price depend on the state of the economy by the end of the year as follows: Dividend Stock Price Boom $2.40 $73...

Answered: 1 week ago

Question

★★★★★

A pipeline carrying gasoline ( $\mathrm{SG}=0.72, \mu=0.7 \mathrm{cP}$ ) is 5 miles long and is made of 6 in. $\mathrm{Sch} .40$ commercial steel pipe. The line contains $2490^{\circ}$ elbows, 2 open...

Answered: 1 week ago

Question

★★★★★

The following information is provided for Christopher's Plumbing Service which is owned by Chris Johns at 31st December 2022. 1. The business received its electricity bill from EnergyRus for the...

Answered: 1 week ago

Question

★★★★★

A water molecule is shown below. Both hydrogen atoms are the same distance from the oxygen atom and are in the x-y plane. Choose the origin to be the center of the oxygen atom, the + x direction to...

Answered: 1 week ago

Question

★★★★★

Leon, age 45, is an active participant in his employer's defined benefit retirement plan, but he would also like to make a deductible contribution to a traditional IRA this year. Leon is married,...

Answered: 1 week ago

Question

★★★★★

Practice Problems 4. If the projection Pa and component Fb of the force F along oblique axes a and b are both 325 N, determine the magnitude F and the orientation 0 of the b-axis. F=424 N.0 17.95 75%...

Answered: 1 week ago

Question

★★★★★

1) A facility manager submits a request for building management to repair a broken window in their new space. What type of cost is this? 1. Direct cost 2. Fixed cost 3. Opportunity cost 4. Indirect...

Answered: 1 week ago

Question

★★★★★

Jedha, a small desert moon, can produce kyber crystals and Wookie cookies. The table is Jedha's production possibilities schedule. Production Possibilities Product A B C D E F Kyber Crystals 0 5 9 12...

Answered: 1 week ago

Question

★★★★★

Instructions You are asked to design a network for a medium-size company. The company decides to use the 10.0.0.0 private IP address. The network will span buildings, with a router in each building...

Answered: 1 week ago

Question

★★★★★

Read Case Study Google: Dont Be Evil Unless and answer the following: Given its mission of providing information to the world, should Google censor searches in China?

Answered: 1 week ago

Question

★★★★★

How many milliliters of 0.800 M KOH should be added to 5.02 g of 1,5-pentanedioic acid (C 5 H 8 O 4 , FM 132.11) to give a pH of 4.40 when diluted to 250 mL?

Answered: 1 week ago

Question

★★★★★

Round each number to three significant figures: (a) 0.216 74 (b) 0.216 5 (c) 0.216 500 3

Answered: 1 week ago

Question

★★★★★

The cell Pt(s) | H2(g, 1.00 bar) | H(aq, pH 3.60) || Cl-(aq, x M) | AgCl(s) | Ag(s) can be used as a probe to find the concentration of Cl in the right compartment. (a) Write reactions for each...

Answered: 1 week ago

Question

★★★★★

Each of the processes listed is noncentered with respect to the specifications for that process. Compute the appropriate capability index for each, and decide if the process iscapable.

Answered: 1 week ago

Question

★★★★★

What are the inputs to master scheduling? What are the outputs?

Answered: 1 week ago

Question

★★★★★

The following is a control chart for the average number of minor errors in 22 service reports. What can you conclude from these data? Explain how you reached yourconclusion.

Answered: 1 week ago

Previous Question Next Question