6. Which of the following has the highest pH? a. 1.00 M NaNO3 b. 1.00 M NaNO2 c. 1.00 M NaH,PO4 d. All have the same pH 7. Which of the following has the lowest pH in aqueous solution? a. 1.00 M NaCI b. 1.00 M NaNO3 c. 1.00 M NaBr d. All have the same pH

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter16: Solubility And Precipitation Equilibria
Section: Chapter Questions
Problem 70AP
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For 6 and 7, use the table of K, values compiled at 25 °C to answer the questions
below:
Acid
HNO3
HCI
HBr
H2SO4
HSO41
HF
HNO2
HCOOH
Infinite
Infinite
Infinite
Infinite
Ka
1.3 x 102
7.1 x 104
4.5 x 104
1.7 x 104
(Strong acid)
HC2041
6.1 x 105
(Strong acid)
CH3COOH
(Strong acid)
(Strong acid)
HCO31
4.8 x 1011
Acid
C6H5COOH
H2CO3
H2PO41
HCN
НРОД?
Ka
6.5 x 105
1.8 x 106
4.2 x 107
6.2 x 108
4.9 x 1010
4.8 x 1013
6. Which of the following has the highest pH?
a. 1.00 M NaNO3
b. 1.00 M NaNO2
с. 1.00 М NaH2РОд
d. All have the same pH
7. Which of the following has the lowest pH in aqueous solution?
a. 1.00 M NaCl
b. 1.00 M NaNO3
c. 1.00 M NaBr
d. All have the same pH
Transcribed Image Text:For 6 and 7, use the table of K, values compiled at 25 °C to answer the questions below: Acid HNO3 HCI HBr H2SO4 HSO41 HF HNO2 HCOOH Infinite Infinite Infinite Infinite Ka 1.3 x 102 7.1 x 104 4.5 x 104 1.7 x 104 (Strong acid) HC2041 6.1 x 105 (Strong acid) CH3COOH (Strong acid) (Strong acid) HCO31 4.8 x 1011 Acid C6H5COOH H2CO3 H2PO41 HCN НРОД? Ka 6.5 x 105 1.8 x 106 4.2 x 107 6.2 x 108 4.9 x 1010 4.8 x 1013 6. Which of the following has the highest pH? a. 1.00 M NaNO3 b. 1.00 M NaNO2 с. 1.00 М NaH2РОд d. All have the same pH 7. Which of the following has the lowest pH in aqueous solution? a. 1.00 M NaCl b. 1.00 M NaNO3 c. 1.00 M NaBr d. All have the same pH
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