KIMIA | Praktikum Hukum Lavoisier

Summary

In this video, Amalia Putri, a student from Negeri 17 Makassar, demonstrates an experiment to prove Lavoisier's Law of Conservation of Mass. She conducts an experiment by mixing vinegar and baking soda, measuring the mass before and after the reaction. Despite the reaction producing gas and inflating a balloon, the mass remains unchanged at 175 grams, proving the law. The video highlights the simplicity of this chemical reaction while reinforcing the fundamental principle of mass conservation in closed systems.

Takeaways

• 😀 The video demonstrates an experiment to prove the law of conservation of mass, also known as Lavoisier's law.
• 😀 The hypothesis states that mass before and after a chemical reaction will remain constant.
• 😀 The experiment involves mixing acetic acid (vinegar) with baking soda.
• 😀 Key materials required for the experiment include a scale, glass bottle, balloon, vinegar, and baking soda.
• 😀 The first step of the experiment is to add vinegar to the glass bottle and place baking soda in the balloon.
• 😀 The balloon is then attached to the glass bottle, and the reaction between the two substances begins.
• 😀 The experimenter measures the mass of the system before and after the reaction.
• 😀 The result of the experiment shows that the mass remained constant at 175 grams before and after the reaction.
• 😀 The experiment supports the law of conservation of mass, proving that mass does not change during a chemical reaction.
• 😀 The video concludes with a final statement acknowledging the success of the experiment and the validity of the hypothesis.
• 😀 The presenter thanks the viewers and concludes with a polite farewell.

Q & A

What is the main topic of the video?

The main topic of the video is the demonstration of the law of conservation of mass, also known as Lavoisier's law.

What experiment does the presenter perform in the video?

The presenter performs an experiment involving the reaction between acetic acid (vinegar, CH3COOH) and baking soda (NaHCO3), to demonstrate the law of conservation of mass.

What was the hypothesis mentioned in the video?

The hypothesis stated that the mass before and after the reaction would remain the same, supporting the principle of the law of conservation of mass.

What are the key materials used in the experiment?

The key materials used in the experiment are vinegar (acetic acid, CH3COOH), baking soda (NaHCO3), a glass bottle, a balloon, and a balance for weighing.

What equipment is required for this experiment?

The equipment required includes a balance, a glass bottle, a balloon, and a spoon.

What steps are involved in conducting the experiment?

The steps involve pouring vinegar into a glass bottle, placing baking soda into a balloon, attaching the balloon to the bottle, and then observing the reaction between the two substances.

How does the experiment demonstrate the law of conservation of mass?

The experiment demonstrates the law by showing that the total mass before and after the reaction remains the same, which aligns with the law that mass cannot be created or destroyed in a chemical reaction.

What were the mass measurements before and after the reaction?

Before the reaction, the mass was 175 grams, and after the reaction, the mass remained the same at 175 grams.

What was the result of the experiment in terms of mass?

The result of the experiment shows that the mass remained unchanged before and after the chemical reaction, which supports the law of conservation of mass.

What is the significance of the law of conservation of mass in this experiment?

The significance of the law of conservation of mass in this experiment is that it provides empirical evidence that mass is conserved during a chemical reaction, which was the focus of the experiment.