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View the pH scale below. If lemon has a pH of 2.0 and tomato juice has a pH of 4.0, how much more acidic is lemon juice vs. tomato juice?
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View the pH scale below. If lemon has a pH of 2.0 and tomato juice has a pH of 4.0, how much more acidic is lemon juice vs. tomato juice?

User Sham
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Each increase/decrease on the scale is by a factor of 10. 2-4 is two factors, 10x10. Lemon is 100 times more acidic
User Aryzing
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