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
0 grams
0 grams
30 grams
1 answer
28 grams
Responses
32 grams
32 grams
28 grams
28 grams
0 grams
0 grams
30 grams
1 answer