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Chem 1020 Lab Final Questions With Complete Solutions
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Chem 1020 Lab Final Questions With Complete Solutions
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Chem 1020 Lab Final Questions With CompleteSolutions.
% Acetic Acid in Vinegar
The primary standard used for this experiment is - ANSWER sodium carbonate
% Acetic Acid in Vinegar
The secondary standard used for this experiment is - ANSWER hydrochloric acid
% Acetic Acid in Vinegar
The indicator used in Part 1 is - ANSWER bromophenol blue
% Acetic Acid in Vinegar
The glassware used to dispense portions of the hydrochloric acid solution in part 1 is
the - ANSWER buret
% Acetic Acid in Vinegar
the endpoint color for part 1 is - ANSWER green
% Acetic Acid in Vinegar
A ______ is the glassware used to dispense the NaOH solution for parts 2 and 3 -
ANSWER buret
% Acetic Acid in Vinegar
The glassware used to dispense portions of hydrochloric acid solution in part 2 is the
- ANSWER volumetric pipet
% Acetic Acid in Vinegar
When reading a buret, the volume readings are estimated to the nearest - ANSWER
0.01 mL
% Acetic Acid in Vinegar
The vinegar samples for Part 3 are to be measured out and dispensed using a -
ANSWER volumetric pipet
% Acetic Acid in Vinegar
the endpoint color for parts 2 and 3 shall be - ANSWER pink
Antacid Tablets
back titration in this experiment is done by adding excess - ANSWER HCl
Antacid Tablets
____ shall be used as the indicator - ANSWER thymol blue
Antacid Tablets
A ____ is used to dispense the NaOH - ANSWER buret
, Antacid Tablets
HCl is to be measured out and dispensed using a - ANSWER buret
Antacid Tablets
the endpoint color for the titration shall be - ANSWER yellow
Carboxylic Acids and Esters
Which functional group is characteristic of a carboxylic acid? - ANSWER R-COOH
Carboxylic Acids and Esters
Carboxylic acids - ANSWER are weaker than most inorganic acids
are not very water soluble
dissociate only slightly
Carboxylic Acids and Esters
An ester can be saponified using an - ANSWER base
Carboxylic Acids and Esters
____ have characteristically sour odors, whereas ____ smell sweet - ANSWER
carboxylic acids, esters
Carboxylic Acids and Esters
The lack of hydrogen bonding among their molecules explains the ability to readily
smell - ANSWER esters
Aspirin Pills
____ is often used as the filler in aspirin tablets - ANSWER starch
Aspirin Pills
______ is the active ingredient of an aspirin pill - ANSWER acetylsalicylic acid
Aspirin Pills
____ is very soluble in ethanol - ANSWER acetylsalicylic acid
Aspirin Pills
The presence of starch is confirmed by - ANSWER iodine
Aspirin Pills
The aspirin tablet sample should be approximately - ANSWER 10 g
Carbohydrates
___ is an example of a disaccharide - ANSWER lactose
Carbohydrates
___ is an example of a monosaccharide - ANSWER glucose
Carbohydrates
_____ is an example of a polysaccharide - ANSWER starch
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