Home / Questions / Which of the following statements best describes the pH of a 0.010 M solution of
Which of the following statements best describes the pH of a 0.010 M solution of acetic acid?
A)The pH is greater than 0 but less than 2.
B)The pH is exactly 2.
C)The pH is greater than 2 but less than 7.
D)The pH is exactly 7.
E)The pH is greater than 7 but less than 12.
72. The Ka for formic acid is 1.8 ? 10?4. Which of the following statements best describes the pH of a 0.0010 M solution of acetic acid?
A)The pH is greater than 0 but less than 3.
B)The pH is exactly 3.
C)The pH is greater than 3 but less than 7.
D)The pH is exactly 7.
E)The pH is greater than 7 but less than 11.
73. List the species present in order of increasing concentration in a 0.1 M solution of H2Se.
A)H2Se ? 2?D)HSe? 2? 2Se
B)H2Se 2? ?E)Se2? 2Se ?
C)Se2? ? 2Se
74. List the species present in order of increasing concentration in a 0.1 M solution of H2C2O4.
A)H2C2O4 2O4? 2O42?D)HC2O4? 2O42? 2C2O4
B)H2C2O4 2O42? 2O4?E)C2O42? 2C2O4 2O4?
C)C2O42? 2O4? 2C2O4
75. List the species present in order of increasing concentration in a 0.1 M solution of H2S.
A)H2S ? 2?D)HS? 2? 2S
B)H2S 2? ?E)S2? 2S ?
C)S2? ? 2S
76. Select the solution below that is the most acidic.
A)[H3O+] = 1.0 ? 10?4 MD)[H3O+] = 1.0 ? 10?8 M
B)[H3O+] = 1.0 ? 10?6 ME)[H3O+] = 1.0 ? 10?10 M
C)[H3O+] = 1.0 ? 10?7 M
77. Select the solution below that is the most basic.
A)[H3O+] = 1.0 ? 10?4 MD)[H3O+] = 1.0 ? 10?8 M
B)[H3O+] = 1.0 ? 10?6 ME)[H3O+] = 1.0 ? 10?10 M
C)[H3O+] = 1.0 ? 10?7 M
78. Select the solution below that is the most acidic.
A)[OH?] = 1.0 ? 10?4 MD)[OH?] = 1.0 ? 10?9 M
B)[OH?] = 1.0 ? 10?5 ME)[OH?] = 1.0 ? 10?11 M
C)[OH?] = 1.0 ? 10?7 M
79. Select the solution below that is the most basic.
A)[OH?] = 1.0 ? 10?4 MD)[OH?] = 1.0 ? 10?9 M
B)[OH?] = 1.0 ? 10?5 ME)[OH?] = 1.0 ? 10?11 M
C)[OH?] = 1.0 ? 10?7 M
80. Select the solution below that is the most acidic.
A)[OH?] = 1.0 ? 10?4 MD)[H3O+] = 1.0 ? 10?8 M
B)[OH?] = 1.0 ? 10?5 ME)[H3O+] = 1.0 ? 10?10 M
C)[H3O+] = 1.0 ? 10?6 M
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