Where are the answers that apply .. hopes this help :)
Answer:

Explanation:
Hello,
In this case, since hydrochloric acid and barium hydroxide are in a 2:1 molar ratio, for the neutralization, the following moles equality must be obeyed:

In such a way, in terms of molarities and volumes, we can compute the required volume of hydrochloric acid as shown below:

Besr regards.
Answer:
Nose
Explanation:
Because every time I touch it's nose, it will hide itself into the shell faster than other places
I believe that the answer is element
It's a compound because it's formed from an ionic bond between calcium and carbon so it's an ionic compound