In the phosphate analysis of a wastewater sample, 30.00 mL of the original sample was taken and diluted with 120.00 ml deionized water. The diluted sample was found to have a phosphate content of 25.5 ppm. What is the phosphate content (in ppm) of the original wastewater sample?

In the phosphate analysis of a wastewater sample, 30.00 mL of the original sample was taken and diluted with 120.00 ml deionized water. The diluted sample was found to have a phosphate content of 25.5 ppm. What is the phosphate content (in ppm) of the original wastewater sample?

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter16: Applications Of Neutralization Titrations

Section: Chapter Questions

Problem 16.20QAP

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Question

In the phosphate analysis of a wastewater sample, 30.00 mL of the original sample was taken and
diluted with 120.00 mL deionized water. The diluted sample was found to have a phosphate content
of 25.5 ppm. What is the phosphate content (in ppm) of the original wastewater sample?
DENSITY VALUES AT 25°C
Ethanol: 0.789 g/mL
Water: 0.997 g/ml
Acetic Acid: 1.05 g/mL

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