Recent content by bluecalculator

  1. B

    Chemistry How much NaOH I have to add to increase pH?

    Yes sorry..a typo. Now it's correct. Thank you, I'm going to try!
  2. B

    Chemistry How much NaOH I have to add to increase pH?

    Hi everyone, I'm stuck in solving this problem. I have two solution of H2SO4 5M that needs two consequential pH increasing: the first from the natural pH of H2SO4 5M (around zero) to pH 2 and then from pH 2 to pH 7. The second solution from the natural pH of H2SO4 5M to pH 2 and then from pH 2...