According to Lewis, a base is:
A proton donor.
An electron pair acceptor.
A proton acceptor.
An electron pair donor.
Which of the following describes the relationship between [H3O⁺] and [OH⁻]?
[H3O⁺] + [OH⁻] = 1.0 x 10-14.
[H3O⁺] + [OH⁻] = 14.00.
[H3O⁺][OH⁻] = 14.00.
[H3O⁺][OH⁻] = 1.0 x 10-14.
The value of pKw at 25 oC is:
7.00.
14.00.
1.0 x 10⁻⁷.
1.0 x10-14.
A chemical indicator in solution consists of:
A weak acid and its conjugate base.
A weak acid and its conjugate acid.
A strong acid and its conjugate acid.
A strong acid and its conjugate base.