For H2SO4, Ka,1 is very large and pK2 = 1.96 at 25 °C. For 0.00105 molLH2SO4(aq) at 25 °C, calculate: (a) the equilibrium concentration of the singly-ionized form, HSO4 [HSO, Jeq = Number mol L-1 (Enter a number accurate to 2 significant figures.) (b) the fraction, a2, of H2SO4 that exists in the doubly-ionized form, SO,2- a2= Number (Enter a number between 0 and 1, accurate to 2 significant figures.) (c) the pH pH = Number %3D (Enter a number accurate to 2 decimal places.)

For H2SO4, Ka,1 is very large and pK2 = 1.96 at 25 °C. For 0.00105 molLH2SO4(aq) at 25 °C, calculate: (a) the equilibrium concentration of the singly-ionized form, HSO4 [HSO, Jeq = Number mol L-1 (Enter a number accurate to 2 significant figures.) (b) the fraction, a2, of H2SO4 that exists in the doubly-ionized form, SO,2- a2= Number (Enter a number between 0 and 1, accurate to 2 significant figures.) (c) the pH pH = Number %3D (Enter a number accurate to 2 decimal places.)

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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Question

For H2SO4, Ka,1 is very large and pKa.2 = 1.96 at 25 °C.
For 0.00105 mol L- H2SO4(aq) at 25 °C, calculate:
(a) the equilibrium concentration of the singly-ionized form, HSO4
[HSO4 leq = Number
mol L-1
(Enter a number accurate to 2 significant figures.)
(b) the fraction, az, of H2SO4 that exists in the doubly-ionized form, SO22-
a2= Number
(Enter a number between 0 and 1, accurate to 2 significant figures.)
(c) the pH
pH = Number
(Enter a number accurate to 2 decimal places.)

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