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- 1. Multiple ChoiceAcid + Base ₋-->salt + hydrogensalt + watersalt + carbon dioxide + watersalt
- 2. 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
- 3. Multiple Choice
What is the volume in this burette?25.80mL25.30mL24.70mL24.20mL - 4. Multiple ChoiceWhat solution usually goes in the burette?AcidBaseIndicatorWater
- 5. Multiple ChoiceWhat indicator is commonly used in titrations?PhenolphthaleinBromothymol BlueLitmusUniversal
- 6. Multiple ChoiceWhat is the long graduated piece of equipment called?PipetteTubeBuretteMeasuring Cylinder
- 7. Multiple Choicewhat is the reading on this burette?4.40mL3.50mL3.60mL4.50mL
- 8. Multiple ChoiceIf phenolphthalein turns bright pink, it indicatesan acida basea neutral
- 9. Multiple ChoiceThe following neutralization reaction occurs in the classroom.
HCl + KOH --> H2O + KCl
If a student uses 25.0 mL of a 0.5M solution of KOH, what is the molarity of the acid if the is 15.0mL of acid neutralized?0.8M1.2M12.5M - 10. Multiple ChoiceIn a titration, 15.5 g of oxalic acid was dissolved in a flask and neutralized with 31.2 mL of NaOH. Determine the molarity of the NaOH.
Hint: Primary standards (like oxalic acid, here) incude water in their formula. As a result, they do not absorb atmospheric water. Oxalic acid has the chemcial formula: H2C2O4⋅2H2O (so be sure to include the 2 extra water molecules).7.88 mol/L8.33 M3.55 M0.333 mol/L - 11. Multiple ChoiceI have 25mL of 1M HCl which neutralizes 20mL of NaOH. What is the concentration of the NaOH?0.8 M1 M1.25 M
- 12. Multiple ChoiceThe following neutralization reaction occurs in the classroom.
HCl + KOH --> H2O + KCl
If a student uses 25.0 mL of a 0.5M solution of KOH, what is the molarity of the acid if 15.0mL of acid neutralized?0.8M1.2M12.5M - 13. Multiple ChoiceDuring a titration, ___ is carefully added to ___.base; acidacid; baseacid; waterphenolphthalein; base
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