of the programming, web design and updates myself. The KF series of binoculars offers a line-up for users ranging from beginners to advanced amateurs. Calculate pBa when 35.00 mL of 0.1 M EDTA is added to 50.00 mL of 0.1 M Ba2+ in the presence of 0.1 M nitrilotriacetate. You have only 2 significant digits in your pKa and only 1 in your value for C. That means your answer should have only one significant digit, and you should give it as pH = 2. Calculate the pH of a solution containing 455 mg/L of caffeine.