pH calculations practice for test
questions with complete solutions
What is the pH of a solution that has a [H+] of 2.5 x 10-5? CORRECT ANSWERS 4.60
What is the pOH of a solution where the [OH-] is 7.3 x 10-2 M? CORRECT ANSWERS
1.14
What is the [H+] if the pH is 4.0? CORRECT ANSWERS 1.0 x 10^-4
What is the pOH of a solution that has a pH of 2? CORRECT ANSWERS 12
What is the [OH-] if the pH is 4.9? CORRECT ANSWERS 7.94 x 10^-10
What is the [OH-] if the [H+] is
1.0 x 10-3M? CORRECT ANSWERS 1.0 x 10^-11
The pH of an aqueous solution is 0.8. What is the hydrogen ion concentration?
CORRECT ANSWERS 0.16
What is the pH of a 1.0 M solution of HCl CORRECT ANSWERS 0
The pH scale is a range from: CORRECT ANSWERS 0-14
A solution prepared with the base CN- (Kb = 2.5 x 10-5) has a concentration of 0.25 M
of the base. Calculate the pH for the solution. CORRECT ANSWERS 11.4
A(n) ______ is a substance with a pH less than 7 CORRECT ANSWERS acidic
A solution contains 0.04 M of a weak acid. Calculate the pH of the solutionknowing that
the Ka for the acid is 1.6 x 10-7 CORRECT ANSWERS 4.1
A neutralization reaction will (almost) always produce... CORRECT ANSWERS water &
salt
In a ____ reaction, an acid and a base produce a salt and a water. CORRECT
ANSWERS neutralization
What are the products to a neutralization reaction? CORRECT ANSWERS H2O + Ionic
Salt
Complete the following reaction:
HCl + Mg(OH)2 --> CORRECT ANSWERS MgCl2 + H2O
questions with complete solutions
What is the pH of a solution that has a [H+] of 2.5 x 10-5? CORRECT ANSWERS 4.60
What is the pOH of a solution where the [OH-] is 7.3 x 10-2 M? CORRECT ANSWERS
1.14
What is the [H+] if the pH is 4.0? CORRECT ANSWERS 1.0 x 10^-4
What is the pOH of a solution that has a pH of 2? CORRECT ANSWERS 12
What is the [OH-] if the pH is 4.9? CORRECT ANSWERS 7.94 x 10^-10
What is the [OH-] if the [H+] is
1.0 x 10-3M? CORRECT ANSWERS 1.0 x 10^-11
The pH of an aqueous solution is 0.8. What is the hydrogen ion concentration?
CORRECT ANSWERS 0.16
What is the pH of a 1.0 M solution of HCl CORRECT ANSWERS 0
The pH scale is a range from: CORRECT ANSWERS 0-14
A solution prepared with the base CN- (Kb = 2.5 x 10-5) has a concentration of 0.25 M
of the base. Calculate the pH for the solution. CORRECT ANSWERS 11.4
A(n) ______ is a substance with a pH less than 7 CORRECT ANSWERS acidic
A solution contains 0.04 M of a weak acid. Calculate the pH of the solutionknowing that
the Ka for the acid is 1.6 x 10-7 CORRECT ANSWERS 4.1
A neutralization reaction will (almost) always produce... CORRECT ANSWERS water &
salt
In a ____ reaction, an acid and a base produce a salt and a water. CORRECT
ANSWERS neutralization
What are the products to a neutralization reaction? CORRECT ANSWERS H2O + Ionic
Salt
Complete the following reaction:
HCl + Mg(OH)2 --> CORRECT ANSWERS MgCl2 + H2O
