Question

Which one of the following combinations can a student select to prove the Law of Conservation of Mass?

1 ]BaCl2(aq) and Na2SO4 (s)
2 ]Na2SO4 (s) and BaCl2 (s)
3 ]BaCl2 (aq) and Na2SO4 (aq)
4 ]Na2SO4 (aq) and BaCl2 (s)

Answer 1

Answer:

In physics and chemistry, the law of conservation of mass or principle of mass conservation states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as the system's mass cannot change, so quantity can neither be added nor be removed

Answer 2

$\huge \color{red} \: Answer$

Option

1. BaCl2 and Na2SO4

It satisfies the law of conservation of mass.

Full reaction -

BaCl2 + Na2SO4 -------- BaSO4 + NaCl

Hope it will help you