Verify the law of conservation of mass by generating gas in a closed container.
The container is turned upside down, the chemicals in the container are mixed with the chemicals in the vial inside, and the mass is calculated and compared with that after the gas generated is released. Experimental container: transparent plastic, φ77×161mm
Small bottle: transparent plastic, φ26.5×40mm
Reagents used in the experiment (please prepare separately)
Sodium bicarbonate (NaHCO3)
Hydrochloric acid (HCl) 1:3 (dilute with water) *Please be careful when handling the reagent.
Product code: 141-455
