Rashid has performed titrimetric analysis of antacid tablets which solely contain aluminum hydroxide [AI(OH)3, 78.0 g/mol]. For the sample preparation, he powdered an antacid tablet, dissolved it in 100 mL pre-boiled distilled water, and equally divided the mixture into two Erlenmeyer flasks. Then, he titrated each flask up to the faint pink end point with HCI titrant. Initially, he determined the concentration of the HCI titrant by titrating 10.0 mL of HCI solution with 0.0998M NaOH in duplicate. Consider the data presented in the table below and answer the succeeding questions.
Rashid has performed titrimetric analysis of antacid tablets which solely contain aluminum hydroxide [AI(OH)3, 78.0 g/mol]. For the sample preparation, he powdered an antacid tablet, dissolved it in 100 mL pre-boiled distilled water, and equally divided the mixture into two Erlenmeyer flasks. Then, he titrated each flask up to the faint pink end point with HCI titrant. Initially, he determined the concentration of the HCI titrant by titrating 10.0 mL of HCI solution with 0.0998M NaOH in duplicate. Consider the data presented in the table below and answer the succeeding questions.
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter16: Reactions Between Acids And Bases
Section: Chapter Questions
Problem 16.102QE
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![Rashid has performed titrimetric analysis of antacid tablets which solely contain
aluminum hydroxide [Al(OH)3, 78.0 g/mol]. For the sample preparation, he powdered an
antacid tablet, dissolved it in 100 mL pre-boiled distilled water, and equally divided the
mixture into two Erlenmeyer flasks. Then, he titrated each flask up to the faint pink end
point with HCI titrant. Initially, he determined the concentration of the HCl titrant by
titrating 10.0 mL of HCI solution with 0.0998M NaOH in duplicate. Consider the data
presented in the table below and answer the succeeding questions.
Volume of titrant, mL
Standardization (0.0998M NaOH)
25.0
25.1
Titration of sample (x M HCI)
38.5
38.4
What is the concentration of the HCl titrant in Molar?
Answer:
What is the sum of all the coefficients of the balanced chemical equation in titrating the
antacid sample?
Answer:
How many milligrams of Al(OH)3 does a tablet contain? (Hint: Consider that the sample
was divided into two)
Answer:
Can a tablet be sufficient in neutralizing a 100. mL of stomach acid with a pH of 1.50?
Hint: H* concentration is antilog(-pH).
Answer:](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7d8c3c11-7f64-42e5-8214-fcc39cbec788%2F70957a60-da6a-49a7-81f0-892a7700263b%2F5u5krbm_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Rashid has performed titrimetric analysis of antacid tablets which solely contain
aluminum hydroxide [Al(OH)3, 78.0 g/mol]. For the sample preparation, he powdered an
antacid tablet, dissolved it in 100 mL pre-boiled distilled water, and equally divided the
mixture into two Erlenmeyer flasks. Then, he titrated each flask up to the faint pink end
point with HCI titrant. Initially, he determined the concentration of the HCl titrant by
titrating 10.0 mL of HCI solution with 0.0998M NaOH in duplicate. Consider the data
presented in the table below and answer the succeeding questions.
Volume of titrant, mL
Standardization (0.0998M NaOH)
25.0
25.1
Titration of sample (x M HCI)
38.5
38.4
What is the concentration of the HCl titrant in Molar?
Answer:
What is the sum of all the coefficients of the balanced chemical equation in titrating the
antacid sample?
Answer:
How many milligrams of Al(OH)3 does a tablet contain? (Hint: Consider that the sample
was divided into two)
Answer:
Can a tablet be sufficient in neutralizing a 100. mL of stomach acid with a pH of 1.50?
Hint: H* concentration is antilog(-pH).
Answer:
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