MISSED THIS? Read Section 17.9. You can click on the Review link to access the section in your eText. Calculate [H3O+] and the pH of each H2SO4 solution (Ka2 =0.012). At approximately what concentration does the x is small approximation break down? Part B Calculate the pH of a 0.54 M solution. Express your answer to two decimal places. ■ ΑΣΦ pH = 1.1 Submit Previous Answers Request Answer ? × Incorrect; Try Again; 8 attempts remaining To determine the pH of the solution, substitute the value of [H3O+] calculated in Part A into the equation that defines pH: ▾ Part C pH = -log[H3O+] Calculate [H3O+] for a 0.18 M solution. Express your answer in molarity to two significant figures. ΜΕ ΑΣΦ [H3O+]= Submit Request Answer ? M

MISSED THIS? Read Section 17.9. You can click on the Review link to access the section in your eText. Calculate [H3O+] and the pH of each H2SO4 solution (Ka2 =0.012). At approximately what concentration does the x is small approximation break down? Part B Calculate the pH of a 0.54 M solution. Express your answer to two decimal places. ■ ΑΣΦ pH = 1.1 Submit Previous Answers Request Answer ? × Incorrect; Try Again; 8 attempts remaining To determine the pH of the solution, substitute the value of [H3O+] calculated in Part A into the equation that defines pH: ▾ Part C pH = -log[H3O+] Calculate [H3O+] for a 0.18 M solution. Express your answer in molarity to two significant figures. ΜΕ ΑΣΦ [H3O+]= Submit Request Answer ? M

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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For example, dimensional analysis could be used to determine the number of nickels in 3432.35 dollars. 34R5 dellar • To begin, write down the starting value, 3432.35 dollars. This can also be written as a fraction: • Next, convert dollars to cents. This conversion involves a simple conversion factor: Note that the "dollar" unit should appear on the bottom of this conversion factor, since "dollars" appears on the top of the starting value. • Finally, convert cents to nickels. This conversion also involves a simple conversion factor. This time "cents" should be on the bottom of the conversion factor, I dellar S centa since it was on top of the previous conversion factor. • Combining these expressions gives us 100 cents 1 dollar • Finally, cancel units. Since dollars are divided by dollars, and cents are divided by cents, both of these units can be canceled. Multiplying through gives the final result: 100 cents 1 dolhar 1 nickel 5 cents 3432.15 dollars 3432.35 dollars 1 nickel 68, 647…
How would you simplify the following expression?
Σ * 00 T The aromatic compound C6H-NH, is best-referred to as: O a. Phenol O b. Aniline O c. Toluidine Od. Toluene e. Nitrobernzene Time left 1:28:48 Quiz navigation DELL Esc F1 F2 F3 F4 F5 F6. F7 F8 F10 i V 3. 4. 5. 7. qel Lock C. Alt
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P Pearson eText y! A sunscreen preparation co G ethyl alcohol, also known as Course Home ge.com Probienuz.108 - ENnanceO- WILN Feeuback I Review | Constan You may want to reference (Pages 42 - 45) Sections 2.6 and (Pages 46 - 50) 2.7 while completing this problem. Part A Ethyl alcohol, also known as ethanol, has a density of 0.79 g/mL. What is the volume, in quarts, of 3.25 kg of this alcohol? Express your answer using two significant figures. V = quarts Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining ovide Feedback
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