What is the acidity of an apple,orange and lemon?

Hi,I did the following:

What is the acidity of an apple,orange and lemon?I am working on science fair and really need those answers i understand that an apple might not have acidity but all answers related help!!!!! P.S I will award 20 points to best answer

-SOT3
It really depends on if you are talking fresh squeezed or commercial juice and the variety of the fruit. Referenced is a list of common numbers. A web search will find you hundreds of other lists. In the reference, ignore the pH of the pure acids. The author forgot to give the concentration used.

Helpful answer below. GERD — Comprehensive overview covers symptoms, treatment, diet issues of this acid reflux disease.
Alkaline Diet Recipes - The 33 Best Recipes with Pictures & Calories
This Alkaline Recipes E-Book contains 33 delicious, easy to cook recipes, illustrated with pictures and step-by-step instructions and calories in food. Plus 15 Alkaline Diet Tips and a comprehensive acid alkaline food chart. Restore your pH-Balance now.
Alkaline Diet Recipes - The 33 Best Recipes with Pictures & Calories

---

Orignal From: What is the acidity of an apple,orange and lemon?