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What is exactly the pH value of distilled water? 1.0 7.0 10.0 It depends on the temperature Pure water is about 7 at 25 °C; this value decreases with increasing temperatures. At 50 °C, it is 6.55. It is also worth to note, that water that has been exposed to air is mildly acidic, because it absorbs carbon dioxide from the air.

 

What is exactly the pH value of distilled water?

1.0
7.0
10.0
It depends on the temperature
Pure water is about 7 at 25 °C; this value decreases with increasing temperatures. At 50 °C, it is 6.55. It is also worth to note, that water that has been exposed to air is mildly acidic, because it absorbs carbon dioxide from the air.

Grade:12th pass

1 Answers

Vivek Agrawal
14 Points
one year ago
Dear student, 
Ph value of pure distilled water is 7 at 25°C but it decreases with increase in temperature as H+ concentration increases

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