Have an account?
Skip to Content
Build your own quiz
30 questions
Show Answers
See Preview
- 1. Multiple Choice
What allows us to know when the end point has been reached?
Bubbles
Feels warm
indicator changing color
Turns to a solid
- 2. Multiple Choiceacid + base ₋>salt + hydrogensalt + watersalt + carbon dioxide + watersalt
- 3. Multiple ChoiceWhat does pH measure?Amount of Oxygen IonsAmount of Hydrogen IonsThe amount of salt in a solutionThe density
- 4. Multiple Choice
What is this piece of apparatus called
Pipette
Burette
Janette
Cuvette
- 5. Multiple ChoiceA solution with a pH of 8.6 would be...AcidBaseNeutralAcid and Base
- 6. Multiple Choice
Why do we perform a titration?
To determine the concentration of an unknown solution
To see if a reaction will occur between an acid and base
To find the mass of an unknown acid
To find the molar mass of an unknown solution
To calculate the viscosity of the solution
- 7. Multiple Choice
What are some things we will need for a titration?
A solution of known concnetration
A burette
indicator
mass balance
a bunsen burner
- 8. Multiple Choice
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
- 9. Multiple Choice
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
- 10. Multiple Choice
Which point on the titration curve corresponds to the point at which the moles of the added strong base are equal to the moles of the weak acid initially present?
Q
R
S
T
- 11. Multiple Choice
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
- 12. Multiple ChoiceI am titrating 1M HCl with 1M NaOH. I have 25mL of HCl. How much NaOH will I need?2.5mL5mL25mL50mL
- 13. Multiple ChoiceI have 25mL of 1M HCl which neutralises 20mL of NaOH. What is the concentration of the NaOH?0.8 M1 M1.25 M
- 14. Multiple ChoiceWhat is the endpoint of a titrationWhere the amount of acid and base are balanced according to the equationWhere there is no baseAt the end
- 15. Multiple ChoiceA 50.0 mL sample of Ca(OH)2 is neutralized by 300.0 mL of HCl solution with a pH of 1.3. Calculate the molarity of the Ca(OH)2 solution.1.0 M0.50 M0.15 M0.30 M
- 16. Multiple ChoiceIdentify the products of the chemical equation
3 LiOH + H3PO4 →Li3PO4 + 3 H2OLiPO4 + 3 H2OLi(PO4)3 + 3 H2OBOY + La + N2 - 17. Multiple ChoiceWhat acid and what base would you choose to prepare the salt potassium chlorate?KOH and HClO3KOH and HClO2HK and OHClO3HK and OHClO2
- 18. Multiple Choice
At point P in the titration, which of the following species has the highest concentration?
HA
A–
H3O+
OH–
- 19. Multiple Choice
Which of the following best represents a 0.100-molar solution of H2SO4 in water?
- 20. Multiple Choice
Equal moles of the indicated acids are dissolved in the amounts of water shown in the beakers below. In which solution will the percent ionization of the acid be the lowest?
Beaker 1
Beaker 2
Beaker 3
Beaker 4
- 21. Multiple Choice
Equal volumes of 0.10-molar H3PO4 and 0.20-molar KOH are mixed. After equilibrium is established, the type of ion in solution in largest concentration, other than the K+ ion, is
H2PO4 –
HPO4 2–
PO4 3–
OH-
- 22. Multiple Choice
What part of the curve corresponds to the optimum buffer action for the acetic acid/acetate ion pair?
Point V
Point Z
Along all of section WY
Along all of section YZ
- 23. Multiple Choice
Which of the following indicators is the best choice for this titration?
Methyl orange (pH range of color change is 3.2 - 4.4)
Methyl red (pH range of color change is 4.8 - 6.0)
Bromothymol blue (pH range of color change is 6.1 - 7.6)
Phenolphthalein (pH range of color change is 8.2 - 10.0)
- 24. Multiple Choice
What is the pH at the equivalence point.
The pH is approximately 5
The pH is approximately 6
The pH is approximately 8
The pH is approximately 9
- 25. Multiple ChoiceWhat is the endpoint of a titrationWhere the amount of acid and base are equal as shown by a colour changeWhere there is no baseWhen the volume of base in the burette is used upWhen there is no acid
- 26. Multiple ChoiceWhich type of titration is shown by this titration curve?Titration of a strong acid by a strong baseTitration of a weak acid by a strong baseTitration of a strong base by a strong acidTitration of a weak base by a strong acid
- 27. Multiple Choice
Which curve is produced by the addition of a 0.1 molL-1 strong acid to a 0.1 molL-1 weak base?
A
B
C
D
- 28. Multiple Choice
CH3COOH is titrated with NaOH. Name the salt produced and its pH at the equivalence point.
CH3COONa, pH at 5
CH3COONa, pH at 7
CH3COONa, pH at 9
NaCH3COO, pH at 9
- 29. Multiple ChoiceWhat is the volume in this burette?24.1mL24.3mL24.2L24.2mL
- 30. Multiple Choice
Calculate the average volume of acid needed for this neutralisation
15.2cm3
15.0cm3
35.5cm3
30.1cm3
- Answer choicesTagsAnswer choicesTags