The mass will be 30 grams. According to the law of conservation of mass, mass is neither created nor destroyed in a chemical reaction, so the total mass before the reaction must equal the total mass after the reaction.
If the mass of elements before a chemical reaction is 30 grams, after the chemical reaction, the mass will be __. (1 point)
Responses
32 grams
32 grams
28 grams
28 grams
30 grams
30 grams
0 grams
1 answer