Laboratory Manual for Human Anatomy & Physiology Main Version
4th Edition
ISBN: 9781260159110
Author: Terry Martin
Publisher: Mcgraw-hill Higher Education (us)
expand_more
expand_more
format_list_bulleted
Textbook Question
Chapter 3, Problem 8PL
Which of the following solutions has the greatest
- Solution with pH 2
- Solution with pH 4
- Solution with pH 8
- Solution with pH 10
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Define the following:- pH- Buffer- pKa
Which of the following is TRUE if pH is higher than the pka of the
buffer?
O [weak acid] approximately 0
O [conjugate base] = [weak acid]
[conjugate base] > [weak acid]
O [conjugate base] < [weak acid]
The pH of a solution is 7, what is the H+ concentration?
Group of answer choices
1 x 10e-7 M
1 x 10e-3 M
1 x 10e-8 M
1 x 10e-9 M
Chapter 3 Solutions
Laboratory Manual for Human Anatomy & Physiology Main Version
Ch. 3 - The most basic unit of matter is energy. an...Ch. 3 - Which number would represent a neutral pH? 100 0 7...Ch. 3 - The building block of a protein is an amino acid....Ch. 3 - The building block of a carbohydrate is glycerol....Ch. 3 - The test to indicate the presence of starch uses...Ch. 3 - A positive test for lipids results in a pinkish...Ch. 3 - Which of the following pH numbers would represent...Ch. 3 - Which of the following solutions has the greatest...Ch. 3 - Are the pH values the same for distilled water and...Ch. 3 - If not, what might explain this difference?
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following represents a Buffer solution?arrow_forwardWhat is the pH of the solution given the following information? Methyl orange = yellow Methyl red = yellow Bromothymol blue = green Note: use the provided reference table for color indicators below as a guide pH 5 pH 8 pH 7 pH 6arrow_forwardWhich of the following buffers has the highest buffering capacity? 0.15 M phosphate buffer at pH 7.2 0.015 M phosphate buffer at pH 7.2 0.01 M phosphate buffer at pH 7.2 0.10 M phosphate buffer at pH 7.2arrow_forward
- Which of the following combinations would be the best choice to buffer the pH of a solution at approximately 7? Ionization Constants for Aqueous Weak Acids at 25 °C Acid K. (pK,) Conjugate Base Hydrogen phthalate ion, Cg H4(CO2H)(CO2) Acetic acid, CH3 CO,H Acetate ion, CH; CO2- 1.8 x 10-5 (4.74) Weak Acid Phthalic acid, C6 H4 (CO,H)2 1.3 x 10-3 (2.89) Dihydrogen phosphate Hydrogen phosphate ion, H2 PO4 Hydrogen phosphate ion, HPO42 6.2 x 10-8 (7.21) ion, HPO,2- Phosphate ion, PO,* 3.6 x 10-13 (12.44) O Na, HPO4 and NagPO4 O NaH2 PO4 and NazHPO4 O H;PO4 and NaH2 PO4arrow_forwardWhat is the percentage concentration of HNO3 if 25grams of HNO3 is dissolved in enough water to make 1 liter of solution?arrow_forwardA 1.143 g sample contains only vitamin C (C,H, 0,) and sucralose (C,H,Cl, O,). When the sample is dissolved in water to a total volume of 31.7 mL, the osmotic pressure of the solution is 3.91 atm at 285 K. What is the mass percent of vitamin C and sucralose in the sample? vitamin C: sucralose: %arrow_forward
- Put these aqueous solutions in order of decreasing freezing point 0.1 m NaCl 0.1 m MgCl2 0.1 m CH3OH 0.1 m Na3PO4arrow_forwardI want to make a buffer solution containing 1 M glycene pH = 10 (Na+), 1 mM ZnCl2 , 1 mM MgCl2. I have the stock solutions 1 M glycene, 1 M MgCl2, 1 M ZnCl2, and 10 M NaOH. My final volume of buffer solution needs to be 250ml. how much (in ml) of each solution should i put into my buffer?arrow_forwardA 1.0-L 0.010 M buffer with pH 6.50 is given as an assignment to a group of students. Which is the most appropriate weak acid to be used in the buffer preparation? Phosphoric acid Citric acid Acetic acid Carbonic acidarrow_forward
- 3 mL of a 45 mM stock solution of a substrate is added to 8 mL of water. Calculate the following values. The substrate molecular weight is 125 g/mol. Calculate the following values: Substrate Volume in mL Dilution Factor Substrate number of moles Substrate concentration for the diluted solution in mM Substrate concentration for the diluted solution in mole/L Substrate concentration for the diluted solution in mg/mLarrow_forwardBeer’s law is strictly obeyed only in dilute solutions. Why?arrow_forwardIf 4 mL of 1 M NaOH is added to 100 mL buffer, would it still be a usable buffer according to the conventions? Explain why or why not.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