A 0.050 M solution of the weak acid HA has [H3O+] = 3.77 x10-4M. What is the

Fantastic news! We've Found the answer you've been seeking!

Question:

A 0.050 M solution of the weak acid HA has [H3O+] = 3.77 x10-4M. What is the Ka for the acid?

A) 7.5 ? 10-3 M

B) 2.9 ? 10-6 M

C) 7.0 ? 10-7 M

D) 7.0 ? 10-8 M

E) 2.6 ? 10-11 M

Related Book For answer-question

Quantitative Chemical Analysis

ISBN: 978-1429218153

8th edition

Authors: Daniel C. Harris

See More Books

Posted Date: Dec 07, 2022 07:20 AM

See More Questions

Popular destinations for the newlyweds of today are the Caribbean and Hawaii. According to a recent American Wedding Study by the Conde Nast Bridal Group, a honeymoon, on average, lasts 9.4 days and...
A 0.100 M solution of the weak acid HA was titrated with 0.100 M NaOH. The pH measured when V b = V e was 4.62. Using activity coefficients, calculate pKa. The size of the A - anion is 450 pm.
What is the pK of the weak acid HA if a solution containing 0.1 M HA and 0.2 M A- has a pH of 6.5?
Based on the following data, determine the cost of merchandise sold for August: Merchandise inventory, August 1 $120,000 Merchandise inventory, August 31 150,000 Purchases 780,000 Purchases returns...
List four factors that would cause the auditor to use a lower percentage for tolerable misstatement.
Assume that Calumet Co. will receive 10 million pesos in 15 months. It does not have a relationship with a bank at this time and, therefore, cannot obtain a forward contract to hedge its receivables...
Amanda Forbes was hired as a nail technician by Showmann, Inc., in 2011. In 2017, Forbes attended a work-related holiday party where Showmann distributed raffle tickets to employees. One of the...
Stoll Co. s long- term available- for- sale portfolio at December 31, 2012, consists of the following. Stoll enters into the following long-term investment transactions during year 2013. Jan. 29 Sold...
Amazon Sales $177,866 Accounts receivable: Beginning of year 20,816 End of year 16,677 Determine the accounts receivable turnover. For interim computations, carry amounts out to one decimal place....
1. XYZ Ltd. ("XYZ") yesterday issued a $1,000 par value 5 year bond ("the Bond"), In evaluating any capital budgeting proposal, XYZ has, historically, utilized a Required Rate of Return of 25%. As a...
In 2021, Laureen is currently single. She paid $2,680 of qualified tuition and related expenses for each of her twin daughters Sheri and Meri to attend State University as freshmen ($2,680 each for a...
Honda USA is interested in learning what its 1,050 U.S. dealers think about a new service program the carmaker began providing to dealers at the beginning of last year. Honda USA wants to know if the...
A researcher must estimate how many packs of disinfecting wipes will be purchased by businesses in Cleveland, Ohio for the annual sales forecast. Her plan is to ask managers the likelihood that they...
Describe three uses of secondary data.
What purpose does exploratory research serve? List and explain three situations in which exploratory research would be a good choice.
Provide the marketing researchers definitions for each of the following populations: a. Nest Thermostat, a company that sells home thermostats that run on the Internet of Things, wants to determine...
Mr. B is a VAT taxpayer. He had the following data for a month, VAT not included: Sales Purchase of goods sold: From VAT suppliers From non-VAT suppliers Operating expenses How much is the...
When you weigh yourself on good old terra firma (solid ground), your weight is 142 lb. In an elevator your apparent weight is 121 lb. What are the direction and magnitude of the elevator's...
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?
The figure shows the behavior of Pt and Ag cathodes at which reduction of H 3 O + to H 2 (g) occurs. Explain why the two curves are not superimposed. Pt Ag 0.5 -0.2-0.3-0.4-0.6-0.7-0.8-0.9 E(V vs....
Limestone consists mainly of the mineral calcite, CaCO3. The carbonate content of 0.5413 g of powdered limestone was measured by suspending the powder in water, adding 10.00 mL of 1.396 M HCl, and...
As an illustration of the difficulty in identifying monopolies, try to decide which of the following are monopolies: a train operating company; your local evening newspaper; the village hairdresser;...
Will competition between oligopolists always reduce total industry profits?
In which of the following industries is collusion likely to occur: bricks, beer, margarine, cement, crisps, washing powder, or carpets? Explain why.

A 0.050 M solution of the weak acid HA has [H3O+] = 3.77 x10-4M. What is the

Question:

Expert Answer:

HAHOA H3O 005 00 ... View the full answer

Quantitative Chemical Analysis

Students also viewed these chemistry questions