Answer:
\large \boxed{\text{12.3 mol HCl}}
Explanation:
We need a balanced chemical equation with moles.
2HCl +Ca(OH)₂ ⟶ CaCl₂ + 2H₂O
n/mol: 12.3
The molar ratio is 2 mol H₂O:2 mol HCl.

Answer: The answer is A. A conductor that allows electricity to flow easily
C I think it’s C I’m semi guessing
Answer:
21 neutrons
Explanation:
There are 21 neutrons in Pottasium-40