Modified Mastering Chemistry with Pearson eText -- Standalone Access Card -- for Biochemistry: Concepts and Connections
1st Edition
ISBN: 9780133882797
Author: Dean R. Appling, Spencer J. Anthony-Cahill, Christopher K. Mathews
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 2, Problem 17P
A student is carrying out a biological preparation that requires 1 M NaCl to maintain an ionic strength of 1.0. The student chooses to use 1.0 M ammonium sulfate instead. Why is this a serious error?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Using this data, calculate the molarity of the oxalic acid standard solution.
Assuming equal concentrations of conjugate base and acid, which one of the following mixtures is suitable for making a buffer solution with an optimum pH of 7.4–7.6?
NaOCl / HOCl (K a = 3.2 × 10 –8)
NH 3 / NH 4Cl (K a = 5.6 × 10 –10)
NaNO 2 / HNO 2 (K a = 4.5 × 10 –4)
NaCl / HCl
CH 3COONa / CH 3COOH (K a = 1.8 × 10 –5)
How many grams of NaCl are required to prepare 100 mL of a solution of 1 M NaCl? (NaCl molecular weight = 58.44 g/mol)
Chapter 2 Solutions
Modified Mastering Chemistry with Pearson eText -- Standalone Access Card -- for Biochemistry: Concepts and Connections
Ch. 2 - Suppose a chloride ion and a sodium ion are...Ch. 2 - Draw two different possible hydrogen-bonding...Ch. 2 - Prob. 3PCh. 2 - 4. What is the pH of each of the following...Ch. 2 - Prob. 5PCh. 2 - The weak acid HA is 2% ionized (dissociated) in a...Ch. 2 - 7. Calculate the pH values and draw the titration...Ch. 2 - What is the pH of the following buffer mixtures?...Ch. 2 - a. Suppose you wanted to make a buffer of exactly...Ch. 2 - Prob. 10P
Ch. 2 - You need to make a buffer whose pH is 7.0, and you...Ch. 2 - Describe the preparation of 2.00 L of 100 glycine...Ch. 2 - Carbon dioxide is dissolved in blood (pH 7.4) to...Ch. 2 - What is the molecular basis for the observation...Ch. 2 - The anno acid arginine ionizes according to the...Ch. 2 - It is possible to make a buffer that functions...Ch. 2 - A student is carrying out a biological preparation...Ch. 2 - Histidine is an amino acid with three titratable...Ch. 2 - Prob. 19PCh. 2 - Prob. 20PCh. 2 - Prob. 21P
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biochemistry and related others by exploring similar questions and additional content below.Similar questions
- Propanamide and methyl acetate have about the same molar mass, both are quite soluble in water, and yet the boiling point of propanamide is 486 K, whereas that of methyl acetate is 330 K. Explain.arrow_forwardWhat is the Molarity of 10 grams of NaCl dissolved in 3L of solvent?arrow_forwardA solution with a density of 0.876 g>mL contains 5.0 g of toluene 1C7H82 and 225 g of benzene. Calculate the molarity of the solution.arrow_forward
- The pH probe/meter uses following equations: Ecell = L + 0.0592 log a1 = L - 0.0592 pH Where L = L1 + EAg/AgCI + Easy= constants L1 = - 0.0592 log a2 a1 = activity of analyte solution a2 = activity of internal solution How will measured pH value be affected vs “real” pH if HCl in pH electrode, became 0.15M instead of 0.1M ? a.impact can not be determined b.measured pH is higher than "real" pH. c.measured pH is lower than "real" pH. d.measured pH is same as "real" pH.arrow_forwardAssume that you have a stock solution of 10% SDS and you need to make 150 microliters of 0.5% SDS. What volume of 10% SDS and what volume of water would you use?arrow_forwardThe half-life of mercury-197 is 64.1 hours. If a patient undergoing a kidney scan is given 5.0 ng of mercury-197, how much will remain after 7 days? After 30 days?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
GCSE Chemistry - Acids and Bases #34; Author: Cognito;https://www.youtube.com/watch?v=vt8fB3MFzLk;License: Standard youtube license