Question

2 points

13. The law of conservation of mass can be demonstrated by a chemical
reaction. Which of the following models of a chemical reaction best
represents the law of conservation of mass?
A
C
B
D.
8
8.
a.
Ο Ο Ο Ο

Answer 1

A

Step-by-step explanation:

the mass in the option a is conserved of two elements