What is the pH of an acid with a H+ concentration of 0.125 M. Put your answer to two decimal places

Quiz1. which physical state of nitrogen has the highest entropy? a solid© b gasoc liquid

I'm learning about the periodic tables and what each subject's configuration is. for example, hydrogen is 1s^1, but i don't understand how you get that. can someone me understand how to figure out how to figure this out? sorry if the question makes no sense, but it would really a lot if you could me understand! you so much if you can!

The sum of the oxidation numbers in a neutral compound is always