Calculate the pH during the titration of 20.0 mL of 0.500 M formic acid ( Ka =
Question:
Calculate the pH during the titration of 20.0 mL of 0.500 M formic acid ( Ka = 1.8 × 10-4) with 0.500 M NaOH. Calculate the pH after 0, 10.0, 20.0, and 30.0 mL of NaOH have been added, and sketch the titration curve.
Strategy
First, write the chemical equation for the titration and calculate the equivalence point. We will use an sRfc table to determine which species are present after adding titrant. Once we know which species are present, we will determine whether the system contains a strong acid or base, a weak acid or base, a buffer, or just water (including spectator ions). We already know how to calculate the pH of each of these systems.
Step by Step Answer:
Write the chemical equation to calculate the equivalence point before beginning to calculate the pH of the solution If we know the equivalence point we can estimate the pH and determine whether the re...View the full answer
Chemistry Principles And Practice
ISBN: 9780534420123
3rd Edition
Authors: Daniel L. Reger, Scott R. Goode, David W. Ball
Students also viewed these Sciences questions
-
As a part of your research program on formic acid, you need to titrate a solution of formic acid with sodium hydroxide solution and want to know what to expect. Calculate the pH of (a) 0.100 m...
-
You want to check the accuracy of a pH meter used for titrations and so calculate the expected pH at various points in a titration. The analyte consists of 25.00 mL of 0.250 m NaOH(aq), and the...
-
A, an unmarried individual, owns and operates a computer repair shop as a sole proprietorship. The business generated $100,000 in net taxable income from operations in 2020. A has no capital gains or...
-
Please help me calculate the current assets and current liabilities. Cash and cash equivalents Deposits Marketable securities Inventory Property & equipment, net Loan to shareholders Notes receivable...
-
A tert-l3utyI esters [RCO2C (CH3)3] are converted into carboxylic acids (RCO2H) by reaction with trifluoroacetic acid, a reaction useful in protein synthesis (Section 26.7). Assign E, Z designation...
-
A heat pump is used to maintain a house at 22°C by extracting heat from the outside air on a day when the outside air temperature is 2°C. The house is estimated to lose heat at a rate of...
-
The soft-ride suspension system of the mountain bike is pinned at C and supported by the shock absorber BD. If it is designed to support a load of P = 1500 N, determine the factor of safety of pins B...
-
Cheng Company computed taxable income of $11,000 for the first year of its operations ended December 31, 2011. Tax depreciation exceeded depreciation for financial reporting purposes by $24,000....
-
A radar gun was used to record the speed of a runner during the first 5 seconds of a race (see the table). Use Simpson's Rule to estimate the distance the runner covered during those 5 seconds....
-
Choose an indicator for the titration of acetic acid in a sample of red wine vinegar with sodium hydroxide (in the burette). Justify your choice. Strategy First, sketch the general shape of the...
-
Calculate the change in pH observed when 1.50 mL of 0.0670 M H 3 O + is added to (a) 100.0 mL of an unbuffered HCl solution of pH 4.74 (b)100.0 mL of a pH 4.74 buffer that is 0.120 M acetic acid and...
-
The controller of Harrington Company estimates sales and production for the first four months of 2016 as follows: Sales are 40% cash and 60% on account, and 60% the sale, 40% of credit sales are...
-
Think about a place where you have either worked or interned. Try to figure out the business structure of that company. Describe as many different positions at that company that you can remember. How...
-
Define working capital.
-
This case study shows a typical situation in which management accounting can be helpful. Read the case study now but only attempt the discussion points after you have finished studying the chapter....
-
How are variable overhead cost variances calculated.
-
Explain how the current ratio is calculated.
-
Can the marketing department be both a revenue center and a cost center? Explain.
-
Quadrilateral EFGH is a kite. Find mG. E H <105 G 50 F
-
Verify Eq. (5.34), which gives M T for a combination of two thin lenses.
-
In the process of constructing a doublet, an equiconvex thin lens L 1 is positioned in intimate contact with a thin negative lens, L 2 , such that the combination has a focal length of 50 cm in air....
-
Two positive lenses with focal lengths of 0.30 m and 0.50 m are separated by a distance of 0.20 m. A small butterfly rests on the central axis 0.50 m in front of the first lens. Locate the resulting...
-
what steps you took to lock down your personal phone or computer AFTER installation - include technical countermeasures you purchased and/or installed as well as policies (e.g., permissions) you...
-
Four people each own a hat. If the hats are assigned to the four people at random, what is the probability that everyone gets back their own hat?
-
Suppose four players play 12 games of cards. If the players are all equally likely to win each game, what is the probability that each player will win exactly three games?
Study smarter with the SolutionInn App