A 50.00-mL solution of a weak acid HA (Ka = 5.00 10210) in water has a

Question:

A 50.00-mL solution of a weak acid HA (Ka = 5.00 × 10210) in water has a pH = 5.650. Calculate the amount of water that must be added to reach a pH value of 6.650.

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

Step by Step Answer:

Related Book For book-img-for-question

Chemical Principles

ISBN: 978-1305581982

8th Edition

Authors: Steven S. Zumdahl, Donald J. DeCoste

See More Books

Question Posted: Oct 05, 2022 02:57 AM

See More Questions

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.
Calculate the mass of sodium hydroxide that must be added to 1.00 L of 1.00-M HC 2 H 3 O 2 to double the pH of the solution (assume that the added NaOH does not change the volume of the solution).
A 0.01 M solution of a weak acid in water is 0.05% ionized at 25C. What is its pK?
CPA firm brings in a yoga instructor during the tax busy season to help relieve stress of the employees. Which is true about the CPA firm's ability to take a deduction for the yoga instructor's...
Let Y be the rate (calls per hour) at which calls arrive at a switchboard. Let X be the number of calls during a two-hour period. A popular choice of joint p.f./p.d.f. for (X, Y) in this example...
Complete the questions for the enclosed case, Cat & Joe Case. Required Questions:1. List and briefly describe the advantages and disadvantages inherent to the food truck business model as...
For a given head loss per unit length, what effect on the flowrate does doubling the pipe diameter have if the flow is (a) laminar, (b) completely turbulent?
At his death, Andrew was a participant in his employers contributory qualified pension plan. His account reflects the following: Employers contribution ..$1,000,000 Andrews contribution 800,000...
How does Total Productive Maintenance align with broader asset management strategies, such as ISO 55000, to create a holistic approach to equipment reliability and maintenance? Discuss the...
Wu Manufacturing produces two keyboards, one for laptop computers and the other for desktop computers. The production process is automated, and the company has found activity-based costing useful in...
Derive an equation to solve for the pH for a dilute weak base in which water is a significant contributor to the pH. Use this formula to calculate the pH of a 100.0-mL sample of 2.0 10 -5 M B (where...
An aqueous solution contains a mixture of 0.0500 M HCOOH (Ka = 1.77 1024) and 0.150 M CH 3 CH 2 COOH (Ka = 1.34 10 -5 ). Calculate the pH of this solution.
Gunkelson Company sells equipment on September 30, 2015, for $18,000 cash. The equipment originally cost $72,000 and as of January 1, 2015, had accumulated depreciation of $42,000. Depreciation for...
Two stars have the same radius but have very different temperatures. The red star has a surface temperature of 3,000 K and the blue star has a surface temperature of 14,500 K. By what factor is the...
3. A spring is hanging vertically and has a spring constant of 5980 N/m. An unknown mass is hung from the spring. If the mass causes the spring to stretch by 0.24 m, find the weight and mass of the...
The manager of a company believes that differences in sales performance depends upon the salesperson's age. Independent samples of salespeople were taken and their weekly sales record is reported...
Prove an Example of a needs assessment materials for the need for remote work during a global pandemic.
What is the output of following code: int] list = {1, 2, 3}; int] array = {4, 5, 6}; list[0] = 7; list[1] = 8; array[2] = 9; array = list; for (int i=0; i
What is the composition, in weight percent, of an alloy that consists of 6 at% Pb and 94 at% Sn?
Halley's comet travels in an ellipti- cal orbit with a = 17.95 and b = 4.44 and passes by Earth roughly every 76 years. Note that each unit represents one astronomical unit, or 93 million miles. The...
A sample of ice weighing 18.02 g, initially at 230.0oC, is heated to 140.0oC at a constant pressure of 1.00 atm. Calculate q, w, E, H, and S for this process. The molar heat capacities (Cp) for...
Calculate the entropy change for a process in which 3.00 moles of liquid water at 0oC is mixed with 1.00 mole of water at 100.oC in a perfectly insulated container. (Assume that the molar heat...
Calculate the change in entropy that occurs when 18.02 g of ice at 210.0oC is placed in 54.05 g of water at 100.0oC in a perfectly insulated vessel. Assume that the molar heat capacities for H2O(s)...
Insight Bank has a $ 14 million position in a ten-year, zero-coupon bond with a face value of $17 000 000. The bond is trading at a yield to maturity of 6.7 per cent. The historical mean change in...
Calculate the loan risk associated with a $3 million, five-year loan to a BBB-rated corporation in the computer parts industry that has a duration of 3.5 years. The cost of funds for the bank is 8...
As of 1 Jan 2020, Alliance Bank has the following balance sheet and no off-balance sheet transactions or securitisation activities. Assets Liabilities and equity Cash $24 Deposits $1176 Australian...

A 50.00-mL solution of a weak acid HA (Ka = 5.00 10210) in water has a

Question:

Step by Step Answer:

Solution The pH of this solution can be calculated using the following equation pH log CHA x 1000 ...View the full answer

Chemical Principles

Students also viewed these Sciences questions