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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s off The time of flight fa wharf. at 40 b) The velocity at which the car he 3. A ball rolls off a 2.3 mete idge and hits the fle a) How much time t take fo de gro 5) 840 inches to centimeters bove the g 6) Joshua uses his thermometer and finds the boiling point of ethyl alcohol to be 75°C. He looks in a reference book and finds that the actual boiling point of ethyl alcohol is 80°C. What is his percent error? und? Percent Error Problems 75°C -8o'c 80'C X lo0 =C.2 SY. 7) The density of water at 4°C is known to be 1.00 g/mL. Kayla experimentally found the density of water to be 1.075 g/mL. What is her percent error? 8) The Handbook of Chemistry and Physics lists the density of a certain liquid to be 0.7988 g/mL. Taylor experimentally finds this liquid to have a density of 0.7925 g/mL. The teacher allows up to a 0.5 % error to make an "A" on the lab. Did aulm Taylor make an "A"? Prove your answer. 6.145 0. 1988 g1n X lo0 = 0. 79889/ML