Question

Which sample equation best illustrates the law of conservation of mass?

A. 4 grams reactant U+3 grams reactant V to 7 grams product W
B. 12 grams reactant X+10 grams reactant Y to 2 grams product Z
C. 5 grams reactant E+5 grams reactant F to 20 grams product G+5 grams product H
D. 10 grams reactant Q+9 grams reactant R to 90 grams product S+90 grams product T

Answer 1

A

Step-by-step explanation:

4 grams reactant U+3 grams reactant V to 7 grams product W