Hey there, I am having some trouble on this one question. It's on my monthly exam and I can't seem to find any helpful answers. Mind helping me out?

Which best represents the law of conservation of mass?

A) Mass of reactants > mass of products
B) Mass of reactants < mass of products
C) Mass of reactants = mass of products
D) Mass of reactants → mass of products

P.S. CORRECT ANSWER WILL GET BRAINLIEST!!