5.1g of toothpaste was weighed out and transferred to a 500 ml beaker. 250 ml of deionized water was added to the beaker by measuring cylinder, heated for 5 minutes on a hotplate, then sonicated for 10 minutes in an ultrasonic bath. The contents of the beaker was then transferred to a 1000 ml volumetric flask, made to the mark with deionized water and mixed thoroughly. Ten ml of this solution was removed from the volumetric flask (autopipette), 5 ml (measuring cylinder) of TISAB buffer was added. The concentration of the toothpaste obtained is 3.4mgF-/L, calculate the % of fluoride (F) in toothpast
5.1g of toothpaste was weighed out and transferred to a 500 ml beaker. 250 ml of deionized water was added to the beaker by measuring cylinder, heated for 5 minutes on a hotplate, then sonicated for 10 minutes in an ultrasonic bath. The contents of the beaker was then transferred to a 1000 ml volumetric flask, made to the mark with deionized water and mixed thoroughly. Ten ml of this solution was removed from the volumetric flask (autopipette), 5 ml (measuring cylinder) of TISAB buffer was added. The concentration of the toothpaste obtained is 3.4mgF-/L, calculate the % of fluoride (F) in toothpast
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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5.1g of toothpaste was weighed out and transferred to a 500 ml beaker. 250 ml of deionized water was added to the beaker by measuring cylinder, heated for 5 minutes on a hotplate, then sonicated for 10 minutes in an ultrasonic bath. The contents of the beaker was then transferred to a 1000 ml volumetric flask, made to the mark with deionized water and mixed thoroughly. Ten ml of this solution was removed from the volumetric flask (autopipette), 5 ml (measuring cylinder) of TISAB buffer was added.
The concentration of the toothpaste obtained is 3.4mgF-/L, calculate the % of fluoride (F) in toothpaste.
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