Hello. This is probably a really dumb question, but I was wondering how the ph system works in relation to making a ph 7 liquid (which would be water and salt, right?) The way I was thinking was if you have an acid with a ph3 and a base with a ph8, and you wanted to mix them to produce a ph7 liquid, you would have to do it proportionally: 7*2 = 14 = 8x + 3y = 8(1) + 3(2) x = 1, y = 2 1 part base, 2 parts acid. If this is not how it's done, is there a simple way to do it (aka given you have the ph of both the acid and base, what is the ratio to make a ph7 liquid?). This is not a homework question and I'm not a chemist.