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Neutral pH is represented by the number 7 on the pH scale. This scale ranges from 0 to 14, where values below 7 indicate acidity and values above 7 indicate alkalinity. At a neutral pH, the concentration of hydrogen ions (H⁺) is equal to that of hydroxide ions (OH⁻), making it a balanced state. Pure water at 25°C (77°F) is typically considered to have a neutral pH of 7.

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2mo ago

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What number represents a weak acid?

on a PH scale 7 is neutral. So any number close to 7 is considered weak be it a base or an acid.


What is a solution with a pH of 2.2 acidic basic or neutral?

pH = 2.2 is VERY Acidic. The pH range is 0 to 14. pH from 0 to 6 is acidic pH = 7 is neutral (water) pH from 8 to 14 is basic. 'pH' means the' negative logarithm , to the base '10', of the hydrogen ion concentration ' . Mathematically it is pH = -log(10) [H^(+)] Inverting [H^(+)] = 10^(-pH) So for a pH = 2.2 [H^(+)] = 10^(-2.2) = 0.0063....


Which number is the most alkaline?

The most alkaline number is typically considered to be 14, which is the highest value on the pH scale. The pH scale ranges from 0 to 14, with values below 7 being acidic, 7 being neutral, and above 7 being alkaline. A pH of 14 indicates a strong alkaline solution, such as sodium hydroxide.


Is a tomato with a pH of 4 more acidic than milk with a pH of 6?

Yes, a tomato with a pH of 4 is more acidic than milk with a pH of 6. The pH scale is logarithmic, meaning each whole number change represents a tenfold difference in acidity. Therefore, a pH of 4 is ten times more acidic than a pH of 5, and one hundred times more acidic than a pH of 6.


How much more acidic is 2 than 5?

To determine how much more acidic one number is than another on a pH scale, we use the fact that each whole number change in pH represents a tenfold change in acidity. Therefore, a pH of 2 is 10^3 (or 1,000 times) more acidic than a pH of 5, since the difference between 2 and 5 is three units.