Answer:
Just too clarify its actually
A: gas
B: solid
C: liquid
It has to be 120g because each and every chemical equation has to satisfy the law of conservation of mass, ie sum of mass of products is always equal to the sum of masses of reactants. If reactants=120g, then products=120g
i think its C pls dont get mad if it is wrong
Two substances that have the same number of moles of representative particles always have:
none of these are correct