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Calculation of pH Values for Various Solutions - Prof. Dale E. Wheeler, Quizzes of Chemistry

Appalachian State University (ASU)Chemistry

Prof. Dale E. Wheeler

A series of calculations to determine the ph values of solutions made by dissolving different substances in water. The solutions include methylammonium chlorate, potassium cyanide, sodium benzoate, and ammonium nitrate. The incorrect answers and the correct answers, along with the marks for each submission.

Typology: Quizzes

Pre 2010

Uploaded on 11/04/2009

danielsummers88 🇺🇸

22 documents

1 / 1

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Partial preview of the text

Download Calculation of pH Values for Various Solutions - Prof. Dale E. Wheeler and more Quizzes Chemistry in PDF only on Docsity! 1 Marks: 1 Calculate the pH of a solution made by dissolving 0.163 g of methylammonium chlorate CH3NH3+ClO4- in enough water to make 239 mL of solution. Answer: Incorrect Correct answer: 6.46 Marks for this submission: 0/1. Question 2 Marks: 1 Calculate the pH of a solution made by dissolving 0.826 g of potassium cyanide KCN in enough water to make 444 mL of solution. Answer: Incorrect Correct answer: 10.88 Marks for this submission: 0/1. Question 3 Marks: 1 Calculate the pH of a 0.0039 M sodium benzoate NaC7H5O2 solution. Answer: Incorrect Correct answer: 7.90 Marks for this submission: 0/1. Question 4 Marks: 1 Calculate the pH of a 0.00211 M ammonium nitrate solution. Answer: Incorrect Correct answer: 5.97 Marks for this submission: 0/1.

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