Which can be used to determine the h?

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

Some liquids can be distilled, but only at temperatures that are so high that it is impractical, or so high the compound decomposes. explain why distillation such compounds at significantly less than atmospheric pressure (some degree of vacuum) would solve this problem.

I’m an electrically neutral atomic any element, there are equal numbers of