WebWhen you are given the molarity of an acid solution, and asked to determine the pH, a molarity greater than 1 produces a negative pH. Is this possible? Barry Bosco It's possible. If the molarity of hydrogen ions is greater than 1, you'll have a negative value of pH. For example, you might expect a 12 M HCl solution to have a pH of -log(12) = -1.08. WebJan 30, 2024 · A pH = -0.30 is equivalent to a \(\ce{[H+]}\) of 2.0 M. Negative pH values are only for academic exercises. Using the concentrations directly conveys a better sense than the pH scales. The …
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WebIt's definitely possible to increase the concentration of H+ to beyond 1.0 mol dm-3, and pH will become negative. Similarly, we can calculate the OH- concentration that … WebMar 2, 2024 · You can see that acid rain can be very acidic, and it can affect the environment in a negative way. ... Since pH can be affected by chemicals in the water, pH is an important indicator of water that is changing chemically. pH is reported in "logarithmic units". Each number represents a 10-fold change in the acidity/basicness of the water. how methotrexate works for ra
Is Negative pH Possible? How It Works and Where to Find It
WebAug 6, 2009 · Negative pH is possible and simple to calculated, but not something you can easily measure. Special electrodes are used to assess extremely low pH values. In addition to negative pH, it's also possible for pH to have a value of 0. The calculation also … where log is the base-10 logarithm and [H +] stands for the hydrogen ion … In other words, pH is the negative log of the molar hydrogen ion concentration or the … WebDec 24, 2024 · The pH equation can be seen as follows: pH = -log 10 [H 3 O +]. The equation can sometimes be seen as pH = -log 10 [H +]. Know that whether the equation has H 3 O + or H +, they are the same. It is not vital to have a firm understanding of what a negative log is to calculate pH. WebThat gives us pH plus 4.75 is equal to 14.00. And solving for the pH, we get that the pH is equal to 9.25. So we have the pH and our goal is to solve for the concentration of hydronium ions, and pH is equal to the negative log of the concentration of hydronium ions. So we can plug our pH right into this equation. how mewing is done