Which of these statements best explains why pure water has a ph of 7?
1) pure water contains...
Chemistry, 29.09.2019 02:50 chhimmidemg
Which of these statements best explains why pure water has a ph of 7?
1) pure water contains only h20 molecules, but ph is based on the concentration of h30+ ions.
2)each molecule of water can dissociate to form 7 h30+ ions.
3) water self-ionizes to form an equilibrium system that has [h30+]=1.0x10^-7m
Answers: 2
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