Which solution is basic?
[OH-] = 1.0 × 10^-7
[H3O+] = 1.0 × 10^-4
[H3O+] = 1.0 × 10^-10
[OH-] = 1.0 × 10^-10
A necessary requirement for a Bronsted base is:
the presence of a metal ion in its formula.
a lone pair of electrons in its Lewis dot structure.
the presence of hydroxide in its formula.
the presence of water as a reaction medium.
Acetic acid is a weak acid in water because it is
unable to hold onto its hydrogen ion.
only slightly soluble.
completely dissociated into hydronium ions and acetate ions.
only slightly dissociated into ions.
Which of the following is a triprotic acid?
CH3COOH
NH3
H3PO4
HNO3
Which compound has a very large value of Ka in aqueous solution?
NH3
H3PO4
HNO3
KOH
According to Bronsted-Lowry theory, acid-base reactions can be described as ________ reactions.
proton transfer
ion transfer
nuclear transfer
electron transfer
At 25°C (room temperature), the value of Kw is ________.
1.00 × 10^14
1.00 × 10^-7
1.00 × 10^-14
1.00 × 10^7