Order these chemical species by increasing pH of an 0.1 M aqueous solution of each. That is, imagine making an 0.1 M solution of each species. Select 1 next to the species that makes the solution with the lowest pH. Select 2 next to the species that makes the solution with the next higher pH, and so on. Notice that some of the rankings have been filled in for you already. Also notice that water is on the list. For that particular case, just compare the pH of pure water to the pH of the other solutions. Note for advanced students: for all charged species, you may assume the necessary counterions act as neither acids nor bases. species H₂O NH3 CH3CH (OH) COO CH3CH (OH) COOH H₂S OH HS + NH4 relative pH of 0.1 M aqueous solution 1 (lowest) (Choose one) 5 (Choose one) ▼ 2 8 (highest) (Choose one) 3 X S

Order these chemical species by increasing pH of an 0.1 M aqueous solution of each. That is, imagine making an 0.1 M solution of each species. Select 1 next to the species that makes the solution with the lowest pH. Select 2 next to the species that makes the solution with the next higher pH, and so on. Notice that some of the rankings have been filled in for you already. Also notice that water is on the list. For that particular case, just compare the pH of pure water to the pH of the other solutions. Note for advanced students: for all charged species, you may assume the necessary counterions act as neither acids nor bases. species H₂O NH3 CH3CH (OH) COO CH3CH (OH) COOH H₂S OH HS + NH4 relative pH of 0.1 M aqueous solution 1 (lowest) (Choose one) 5 (Choose one) ▼ 2 8 (highest) (Choose one) 3 X S

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Order these chemical species by increasing pH of an 0.1 M aqueous solution of each. That is, imagine making an 0.1 M solution of each species. Select 1 next to the species that makes the solution with the lowest pH. Select 2 next to the species that makes the solution with the next higher pH, and so on. Notice that some of the rankings have been filled in for you already. Also notice that water is on the list. For that particular case, just compare the pH of pure water to the pH of the other solutions. Note for advanced students: for all charged species, you may assume the necessary counterions act as neither acids nor bases. species ОН HIO H₂O CH₂CICOO CH₂CICOOH CH₂O ΙΟ CH₂OH relative pH of 0.1 M aqueous solution 8 (highest) (Choose one) (Choose one) (Choose one) 1 (lowest) (Choose one) 7 2 X Ś
Human blood is slightly basic. Calculate the hydroxide ion concentration in a sample of blood with a pOH of 6.49You MUST show your work.Record your answer in scientific notation with the proper number of significant digits and proper units For each of the following pH values, provide the correct corresponding pOH value. Remember that answers must be provided to the correct number of significant digits..pH value of 4.4 will have a pOH value of Answer pH value of 2.9 will have a pOH value of Answer pOH value of 10.24 will have a pH value of Answer pOH value of 8.1 will have a pH value of Answer
Consider the following data on some weak acids and weak bases: name acetic acid hypochlorous acid 0.1 M KCI acid solution 0.1 M KCIO 0.1 M C6H5NH3Br 0.1 M NH4CI formula HCH3CO₂ 1.8 x 10-5 HCIO Ra Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. 3.0 × 10 pH choose one -8 choose one choose one base choose one ✓ Ko name formula aniline C6H5NH₂ 4.3 × 10¯ - 10 ammonia NH3 1.8 × 10
Order these chemical species by increasing pH of an 0.1 M aqueous solution of each. That is, imagine making an 0.1 M solution of each species. Select 1 next to the species that makes the solution with the lowest pH. Select 2 next to the species that makes the solution with the next higher pH, and so on. Notice that some of the rankings have been filled in for you already. Also notice that water is on the list. For that particular case, just compare the pH of pure water to the pH of the other solutions. Note for advanced students: for all charged species, you may assume the necessary counterions act as neither acids nor bases. species ОН IO C10₂ HCOOH HCIO₂ HIO HCOO relative pH of 0.1 M aqueous solution (Choose one) 7 (Choose one) 2 1 (lowest) (Choose one) (Choose one) X Ś olo 18 Ar
A chemist dissolves 715. mg of pure sodium hydroxide in enough water to make up 110. mL of solution. Calculate the pH of the solution. (The temperature of the solution is 25 °C.) Round your answer to 3 significant decimal places.
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chemist dissolves 312. mg of pure sodium hydroxide in enough water to make up 170. mL of solution. Calculate the pH of the solution. (The temperature of the solution is 25 °C. Round your answer to 3 significant decimal places.
Order these chemical species by increasing pH of an 0.1 M aqueous solution of each. That is, imagine making an 0.1 M solution of each species. Select 1 next to the species that makes the solution with the lowest pH. Select 2 next to the species that makes the solution with the next higher pH, and so on. Notice that some of the rankings have been filled in for you already. Also notice that water is on the list. For that particular case, just compare the pH of pure water to the pH of the other solutions. Note for advanced students: for all charged species, you may assume the necessary counterions act as neither acids nor bases. species ΙΟ HF HIO F ОН NO₂ HNO₂ H₂O relative pH of 0.1 M aqueous solution (Choose one) (Choose one) 3 5 8 (highest) (Choose one) 2 (Choose one) X Ś
Order these chemical species by increasing pH of an 0.1 M aqueous solution of each. That is, imagine making an 0.1 M solution of each species. Select 1 next to the species that makes the solution with the lowest pH. Select 2 next to the species that makes the solution with the next higher pH, and so on. Notice that some of the rankings have been filled in for you already. Also notice that water is on the list. For that particular case, just compare the pH of pure water to the pH of the other solutions. Note for advanced students: for all charged species, you may assume the necessary counterions act as neither acids nor bases. species relative pH of 0.1 M aqueous solution + C6H5NH3 HCOOH 3 2 HCOO (Choose one) H₂O HONH3 5 + (Choose one) C6H5NH2 (Choose one) H₂O+ (Choose one) HONH2 8 (highest)
Conjugate acid of any base is defined as the species formed when the base accepts a proton. And the conjugate base of any acid is defined as the species formed when the base donates a proton. Hence in the conjugate acid-base pair, there will be a difference of 1 proton only. In the above reaction, the base NH3 is accepting a proton from the acid HF to form + NH4* ions. Hence NH3/NH4* is a conjugate acid-base pair. And the acid HF is donating a proton to form the conjugate base F. Hence HF/F is a conjugate acid-base pair. Hence the answer is NH3/NH4* & HF/F". ANSWER IN NO. 4
First read the text sections 10.5 and 10.6 on pH. This is a Dry Lab since we cannot meet on Campus. After calibrating a pH meter you would have measured the pH of four different Basic Aqueous Solutions and examined the data for trends. You would have calculated the expected pH of each of the strong base solutions by assuming that for every NaOH formula unit that dissolves, one OH- ion is released. Thus, we can assume that the OH- Molarity equals the NaOH Molarity. Using the OH- Molarity and the water ionization equilibrium expression (Kw= 1.0 X 10 to the -14 power = H+ Molarity X OH- Molarity), we can calculate the H+ Molarity of the solution. Using the H+ Molarity, we can calculate the solution's pH. Thus a 1.0 X 10 to the 4 power NaOH solution has a pH of 10. The calculated pH value is arrived at as follows. By rearranging the water ionization equilibrium expression and plugging in the OH- Molarity, we can solve for H+ Molarity. H+ M = 1.0 X 10 to the -14 power divided by 1.0 X 10 to…
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