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WorksheetsTest 3
Total questions: 25
Worksheet time: 19mins
If a quantity of solution is expressed as mol/L we are referring to is as _________.
Molar mass
Molarity
Solvation
Atomic number
An acid is a solution that contains __________ ions dissolved in water.
positive
negative
The strongest bases have pH values close to
0
14
7
5
If the substance is neutral, what would the pH be?11
3
5
7
9
11
You need to make 200 mL of a 0.20 M aqueous solution of sodium chloride. The only available solution is 2.0 M. Determine how to make the needed dilution.
Add 160 mL to the initial volume
Add 180 mL to the initial volume
Evaporate 160 mL from the initial volume
the experiment cannot be conducted with the materials provided
If 0.7 L of 1.50 M NaOH is diluted to 1.00 L, the resulting solution contains
0.225 mol NaOH
0.775 mol NaOH
1.05 mol NaOH
2.45 mol NaOH
A measure of the amount of solute dissolved in a specific amount of solvent or
solution is called the ____________________ of the solution.
dilution
concentration
dissolving
solvent
If it takes 55 mL of 0.3 M NaOH to neutralize 75 mL of an HCl solution, what is the concentration of the HCl?
0.043 M
0.22 M
0.065 M
0.77 M
If it takes 25 mL of 0.05 M HCl to neutralize 345 mL of NaOH solution, what is the concentration of the NaOH solution?
0.0036 M NaOH
0.00125 M NaOH
3.62 M NaOH
1.25 M NaOH
If it takes 54 mL of 0.1 M NaOH to neutralize 125 mL of an HCl solution, what is the concentration of the HCl? (record you answer with the correct unit)
0.043 M
0.034 M
0.065 M
0.77 M
A 25.0 mL sample of HCl was titrated to the endpoint with 15.0 mL of 2.0 M NaOH. What is the molarity of HCl?
1.6 M HCl
0.03 M HCl
0.6 M HCl
1.2 M HCl
An acid is a solution that contains __________ ions dissolved in water.
positive
negative
The higher the concentration of negative (hydroxide) ions in the solution, the stronger the base is.
True
False
Ocean water is only slightly basic. What might its pH value be?
5
8
12
2
When naming binary acids, the ending always changes to:
-ate
-ite
-ic
-ous
When naming oxyacids, change "-ite" to:
-ate
-ic
-ous
-ite
