Explanation:
The given reaction equation is as follows.
+ ___ 
As there is release of one hydrogen which shows that mass number has increase by 1 on the product side.
Therefore, particle
must be added in order to balance the given reaction equation.
Hence, the complete reaction equation will be as follows.

For C, they would be the same. At the equivalence, you have equal moles of both the acid and the base.
Get on mathpapa is shows you the answer and how to explain it
The paper in the straw makes the soda fizz.
Answer:
I think that A or C is the correct answer