Quiz #4-4 PRACTICE: Acids & Bases
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What is the pH of an aqueous solution that contains 3.98 x 10-9 M H+?
What is the pH of an aqueous solution in which [H+] is 0.0025 M?
In a laboratory titration, 25.0 mL of NaOH is completely neutralized by 14.2 mL of 0.500 M HCl. What is the concentration of the NaOH solution?
An aqueous solution contains 0.10 M NaOH. This solution is:
When hydroiodic acid (HI) is added to water, hydronium ions and iodide ions are formed. Which of the following statements is true?
hydronium acts as an acid; iodide acts as a base
iodide acts as an acid; hydronium acts as a base
iodide acts as an conjugate acid; hydronium acts as a conjugate base
hydronium acts as an conjugate acid; iodide acts as a conjugate base
What is the concentration of hydronium ions in a solution at 25°C with pH = 4.282?
1.92 x 10-3
5.22 x 10-5
1.66 x 10-4
4.28 x 10-2
A neutralization reaction between NH4OH and HBr will form:
BrOH and NH5
NH3, Br2, H2 and O2
NH4O and H2Br
NH4Br and H2O
In basic solution:
[H3O+] = [OH-]
[OH-] = 0 M
[H3O+] > [OH-]
[H3O+] < [OH-]
Nitric acid is a strong acid. This means that:
HNO3 dissociates completely to H+(aq) and NO3-(aq) when it dissolves in water
HNO3 produces a gaseous product when it is neutralized
HNO3 cannot be neutralized by a weak base
HNO3 does not dissociate at all when it is dissolved in water
Which of the following is a property of acids?
accept hydrogen ions
turn litmus paper blue
have a bitter taste
react with metals
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