Alka-Seltzer Flashcard

Front

What is the initial time set to in this experiment?

Back

0 seconds

Front

What is the purpose of using a stopwatch in Experiment 1?

Back

To measure the time it takes for the tablet to disintegrate

Front

What is the chemical formula for citric acid?

Back

C₆H₈O₇

Front

How do you calculate the change in tablet mass?

Back

Final tablet mass [g] - Initial tablet mass [g]

Front

What is the purpose of folding over the open sides of the paper?

Back

To prevent the tablet from falling out

Front

What is Alka-Seltzer primarily used for?

Back

To relieve heartburn, acid indigestion, and upset stomach.

Front

What are the main ingredients in Alka-Seltzer?

Back

Aspirin, citric acid, and sodium bicarbonate.

Front

What happens when Alka-Seltzer is added to water?

Back

It produces carbon dioxide gas, causing fizzing.

Front

What is the role of citric acid in the reaction with sodium bicarbonate?

Back

It reacts with sodium bicarbonate to produce carbon dioxide.

Front

What is the significance of measuring the time for tablet disintegration?

Back

It helps determine the effectiveness and speed of the reaction.