Pure water has an water activity (Aw) of___________________?
Correct answer: B. 1.00
- A. 0.99
- B. 1.00
- C. 1.5
- D. non of these
Explanation
Water activity is the ratio of a substance’s vapour pressure to that of pure water, so pure water has the maximum value of 1.00 under the same conditions.
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