WorksheetspH and pOH
Total questions: 15
Worksheet time: 18mins
If a solution has a [H+] of 9.3x10-11, what is the pH?
10.0
4.0
3.5
8.2
If a solution has a [OH-] of 2.3x10-4, it must be a(n)...
Acid
Base
Neutral
What is the equation for calculating pH?
pH = [H+]
pH = log [H+]
pH = -log[OH-]
pH = -log [H+]
If the hydronium ion H3O+ concentration is equal to the hydroxide ion OH- concentration, the solution is a(n)
acid
base
salt
neutral solution
The pH of a solution is 8.43. What is the hydronium ion H3O+ concentration?
3.7 x 10-9 M
2.7 x 10-6 M
1.0 x 10-8.43 M
1.0 x 10-14
The pH of a solution is 8.43. What is the hydroxide ion OH- concentration?
3.7 x 10-9 M
2.7 x 10-6 M
antilog (-pH)
1.0 x 10-14/-pH
What is the hydronium ion concentration of 4.0 M H2SO4?
4.0 M
8.0 M
1.0 x 10-4 M
2.5 x 10-15 M
A solution has 1.0 x 10-8 M hydronium ions. Another solution has 1.0 x 10-3 M hydronium ions. Which solution has a larger number of hydronium ions? Hint this solution is an acid.
1.0 x 10-3 M hydronium ion solution
1.0 x 10-8 M hydronium ion solution
Neither solution is an acid
What is the [OH-] if the pH is 4.900?
7.94 x 10-10 M
1.00 x 10-4 M
7.94 x 10-14 M
4.90 x 10-10 M
