The PH of a solution can be measured using the H+ ions concentration present in the solution. PH= -log(H+) H+ is the hydrogen ion concentration. or by knowing the OH- ion concentration. PH= 14- (-log(OH-)-log(OH-) is the pOH of the solution.
An avocadoâs exterior can tell a lot about whatâs happening inside. If you pay attention to the clues its color, texture, and firmness provide, you will select a perfectly ripe avocado each time. Below I describe four methods you can use to tell if an avocado is ripe. A. Skin color. An avocado with a darker skin is often riper than one with a lighter skin. 1  Scan the avocados in front of you.  The avocados with darker green-to-black skin colors may be riper than those with with lighter skins.
The Hass avocado /Ëhaes/ , ËhÃ¦s sometimes marketed as The haas /avocado/ , ËhÉËs is a cultivar of avocado with dark-green, colored bumpy. Skin it was first grown and sold By Southern california mail carrier and amateur Horticulturist Rudolph, hass who also gave it his. namewing to its taste, size, shelf-life, high growing yield and in some areas, year-round harvesting, the Hass cultivar is the most commercially popular avocado worldwide. In the United States it accounts for more than 80% of the avocado crop, 95% of the California crop and is the most widely grown avocado in New Zealand.