pH
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pH là chỉ số đo độ hoạt động của các ion H₃O⁺ trong dung dịch và vì vậy là độ axít hay base của nó. Trong các hệ dung dịch nước, hoạt độ của ion hiđrô được quyết định bởi hằng số điện ly của nước = 1,008 × 10⁻¹⁴ ở 25°C và tương tác với các ion... Wikipedia
Mọi người cũng hỏi
What does pH actually stand for?
What is the significance of pH?
What pH level is high?
What is pH in the human body?
It is a logarithmic scale used to specify the acidity or basicity of aqueous solutions. Acidic solutions (solutions with higher concentrations of hydrogen (H) ...
19 thg 6, 2019 · pH is a measure of how acidic/basic water is. The range goes from 0 - 14, with 7 being neutral. pHs of less than 7 indicate acidity, ...
4 thg 3, 2024 · pH, quantitative measure of the acidity or basicity of aqueous or other liquid solutions. The term, widely used in chemistry, biology, ...
6 thg 11, 2023 · The pH scale measures how acidic or alkaline a substance is. The scale ranges from 0 to 14. A pH of 7 is neutral. A pH less than 7 is acidic, ...
The pH scale measures how acidic an object is. Objects that are not very acidic are called basic. The scale has values ranging from zero (the most acidic) to 14 ...
pH. A measure of how acidic or basic a substance or solution is. pH is measured on a scale of 0 to 14. On this scale, a pH value of 7 is neutral, which means it ...
The pH scale is used to rank solutions in terms of acidity or basicity (alkalinity). Since the scale is based on pH values, it is logarithmic, meaning that a ...
29 thg 2, 2024 · pH is a measure of hydrogen ion concentration in an aqueous solution. pH decreases as hydrogen ion concentration increases, and these acidic ...
Mammalian cellular metabolism, aka the basic rules of being alive on planet Earth, runs best at a pH between 7.38 and 7.42. From The Daily Beast.
The meaning of PH is a measure of acidity and alkalinity of a solution that is a number on a scale on which a value of 7 represents neutrality and lower ...