Which of the following equations violates the law of conservation of mass?

FeCl3 + 3NaOH Fe(OH)3 + 3NaCl

CS2 + 3O2 CO2 + 2SO2

Zn + H2SO4 H2 + ZnSO4

Ba(ClO3)2 BaCl2 + 2O2

Question

Which of the following equations violates the law of conservation of mass?

 FeCl3 + 3NaOH  Fe(OH)3 + 3NaCl

 CS2 + 3O2  CO2 + 2SO2

 Zn + H2SO4  H2 + ZnSO4

 Ba(ClO3)2   BaCl2 + 2O2

lovelyharmonics · Answer

@iPwnBunnies

ipwnbunnies · Answer

Ooo, kk. So, like, the last queestion, I said that the same amount of the elements have to be on the left and right side. This is the concept of the conservation of mass.

lovelyharmonics · Answer

Still don't get how this works .-. All of them are just switched....

lovelyharmonics · Answer

I think it'd be b....

ipwnbunnies · Answer

Yeah, it is B. What do you mean they're switched?