

pH Calculations and Spectator Ions
Interactive Video
•
Chemistry, Science, Mathematics
•
11th - 12th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in calculating the pH of a salt solution?
Identify the solvent used
Determine the concentration of the salt
Calculate the molar mass of the salt
Cross out any spectator ions
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which ion is left after removing spectator ions from sodium fluoride?
OH-
F-
Na+
H+
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of setting up an ICE table in pH calculations?
To determine the initial concentration of the solvent
To calculate the change in concentration of reactants and products
To find the molar mass of the compound
To measure the temperature of the solution
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the KB value calculated if only the KA is given?
By multiplying KA with the concentration of the base
By dividing 1.0 x 10^-14 by the KA
By subtracting KA from 1.0 x 10^-14
By adding KA to the concentration of the acid
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the pH of a solution if the pOH is 5.41?
14.00
5.41
7.00
8.59
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in calculating the pH of a weak acid solution?
Calculate the molar mass of the acid
Cross out any spectator ions
Determine the concentration of the acid
Identify the solvent used
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which ion is left after removing spectator ions from ammonium chloride?
Cl-
NH4+
H+
OH-
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