For i: 33mL
For ii: 87-88mL
For iii:22.3mL
And what should I do with this information
Answer:
Na+ is positively charged as it loses an electron
Cl- is negatively charged as it gains an electron
Presuming the arrow is between H20 and CO
On the left there are 2 gas moles.
On the right there are 4 gas moles.
The equilibrium will shift to the side with the most no. He gas moles when pressure is decreased.
Therefore the answer is A, since 4>2.
If you have any questions, feel free to ask