Acids and Bases & Calculations

Front

A solution with a pH of 7 is

Back

neutral

Front

HCl is a __________.

Back

Strong acid

Front

Holly has an unknown substance in a beaker. She places a piece of blue litmus paper into the substance, and the litmus paper stays blue. The substance in the beaker

Back

is a base.

Front

Which compound is the conjugate acid? (Hint: Determine the base)

PO₄^3- + HNO₃ ==> NO₃^- + HPO₄^2-

Back

HPO₄^2-

Front

In the reaction H₂SO₃ + H₂O --> H₃O⁺ + HSO₃^-, H₂O is a(n):

Back

base

Front

HSO₄^- + H₂O → H₃O⁺ + SO₄^2-
Identify the Acid in the above reaction.

Back

HSO₄^-

Front

Using the reaction CO₃^2-(aq)+H₂O(l) → HCO₃^-(aq)+OH^-(aq), which compound is the conjugate base? Options: CO₃^2-, H₂O, HCO₃^-, OH^-

Back

OH^-

Front

A solution of HCl has a [H⁺] = 7.2 x 10^-9. Is this an acid or a base?

Back

Base

Front

KOH has a pOH of 3.0, what is the [OH^-]?

Back

0.001 M

Front

What is the pOH of a solution with [OH^-] = 4.5 x 10^-4?

Back

3.35