Answer:
D. 11.0g
Explanation:
The principle of mass conservation states that for a closed system (Such as a sealed container), the mass of the system will remain constant in the time. That is the mass can't be created or destroyed.
As in the experimet you are adding 5.0g of one reactant and 6.0g of another reactant, the mass of your reaction will be 11.0g although a reaction occurs in the container.
Right answer is:
