<span>The pH scale goes from 0-14. 0-6.9 is acidic, 7 is neutral and 7.1-14 is basic</span>
I have attached a photo of the structure.
You can get better at solving problems like this by practicing a lot!
Mình nghĩ C là đáp án đúng
Answer:12 mol
Explanation: both vessels are at the same temp and pressure (and the pressure is low and/or the temperature high).
6.7mol per 1.3L = 6.7/1.3 mol/L
so in 2.33L = 6.7*2.33/1.3 = 12 mol
I think it's covalent...? Hope that helps.