Answer: It’s the first one
The density is 3 because the density remains the same.
What’s wrong? ...........:.........
Formula for hydroselenic acid: H2Se
Answer:
equal to
Explanation:
The law of conservation of mass tells us that during a chemical reaction, matter cannot be created or destroyed, but it can change from one form to another. This means that while atoms can rearrange themselves into new substances during a reaction, the mass of the reactants and products will be the same.
