c. Explain what property or law made the students realize their experiment was incorrect.

A group of students do an activity with baking soda and vinegar. The steps of the activity are listed below:
1. Pour 100 g vinegar into a flask.
2. Measure the temperature of the vinegar.
3. Add 10 g of baking soda to the flask.
4. Observe as the contents of the flask fizz (produce bubbles).
5. Measure the temperature of the contents in the flask and observe any change in temperature.

Please help!!

Question

c. Explain what property or law made the students realize their experiment was incorrect.

A group of students do an activity with baking soda and vinegar. The steps of the activity are listed below:
1. Pour 100 g vinegar into a flask.
2. Measure the temperature of the vinegar.
3. Add 10 g of baking soda to the flask.
4. Observe as the contents of the flask fizz (produce bubbles).
5. Measure the temperature of the contents in the flask and observe any change in temperature.

 Please help!!

anonymous · Answer

After the fizzing stops, the students determine that the liquid in the flask has a mass of 105 g. The students thought something was wrong.