Hello!
The answer is Evaporation
When you add heat to water, it boils, releasing gas into the air. This is called Evaporation. The water changes from a liquid to a gas.
Hope this helped!
More water is not always better. For example; cacti only need water about every two weeks, the same with succulent plants. Not every plant needs to be watered every day, or the plant may be overwatered and die.
The amount of CaCo3 remaining is 11.5g