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Using dimensional analysis, find the mass of acetylalicylic acid in one tablet of aspirin. The grams of aspirin used in a titration is .325g before being dissolved in 10mL of water and then added to a base, NaOH, with a molarity of .01M and a volume of 10.1 mL.   In Chem2.png, the actual question is boxed in red

Using dimensional analysis, find the mass of acetylalicylic acid in one tablet of aspirin. The grams of aspirin used in a titration is .325g before being dissolved in 10mL of water and then added to a base, NaOH, with a molarity of .01M and a volume of 10.1 mL.   In Chem2.png, the actual question is boxed in red

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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Using dimensional analysis, find the mass of acetylalicylic acid in one tablet of aspirin. The grams of aspirin used in a titration is .325g before being dissolved in 10mL of water and then added to a base, NaOH, with a molarity of .01M and a volume of 10.1 mL.

 

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Video used for titration assignment (Not needed for question): https://www.youtube.com/watch?v=x9jgjdizTaY

Data Table 1: Determination of Percent Acetylsalicylic acid in Aspirin Mass of Empty Erlenmeyer (skip if using video) Mass of Erlenmeyer with aspirin (skip if using video) Mass of aspirin .325 (use 0.325 g if using video) Initial Volume in Buret 10.00 mL (10.00 mL if using video) Final Volume in Buret 20.10 mL (20.10 mL if using video) Volume of NaOH Used 10.10 mL
Transcribed Image Text:Data Table 1: Determination of Percent Acetylsalicylic acid in Aspirin Mass of Empty Erlenmeyer (skip if using video) Mass of Erlenmeyer with aspirin (skip if using video) Mass of aspirin .325 (use 0.325 g if using video) Initial Volume in Buret 10.00 mL (10.00 mL if using video) Final Volume in Buret 20.10 mL (20.10 mL if using video) Volume of NaOH Used 10.10 mL
ww.rack Cailations: The active ingredient of aspirin is acetylsalicylic acid. Acetylsalicylic acid can be represented by either diagram below: H C-H What is the chemical formula of acetylsalicylic acid? The only ionizable hydrogen (hydrogen that can dissociate from the rest of the molecule) is the one attached to an O. Find it! Circle it in both representations. Using your data and using the calculated molarity of the base from experiment 1 (or 0.10 M if using video), calculate the mass of acetylsalicylic acid that must have been originally present in your crushed aspirin. (Here is the reaction: HC9H7O4 + NaOH O NaCoHO4 + HОН) Tip: DO NOT SOLVÉ THE WAY THE TEACHER IN THE VIDEO DID. WE ARE NOT USING THAT EQUATION, NOR ARE WE SOLVING FOR MOLARITY. Use dimensional analysis. 1. Given: .10 Molarity .325g Aspirin HСЭН704 + NaОН %3D NaC9H704 + НОН Unknown: Mass of acetylalicylic acid in aspirin 1. Determine the percent of acetylsalicylic acid in aspirin.
Transcribed Image Text:ww.rack Cailations: The active ingredient of aspirin is acetylsalicylic acid. Acetylsalicylic acid can be represented by either diagram below: H C-H What is the chemical formula of acetylsalicylic acid? The only ionizable hydrogen (hydrogen that can dissociate from the rest of the molecule) is the one attached to an O. Find it! Circle it in both representations. Using your data and using the calculated molarity of the base from experiment 1 (or 0.10 M if using video), calculate the mass of acetylsalicylic acid that must have been originally present in your crushed aspirin. (Here is the reaction: HC9H7O4 + NaOH O NaCoHO4 + HОН) Tip: DO NOT SOLVÉ THE WAY THE TEACHER IN THE VIDEO DID. WE ARE NOT USING THAT EQUATION, NOR ARE WE SOLVING FOR MOLARITY. Use dimensional analysis. 1. Given: .10 Molarity .325g Aspirin HСЭН704 + NaОН %3D NaC9H704 + НОН Unknown: Mass of acetylalicylic acid in aspirin 1. Determine the percent of acetylsalicylic acid in aspirin.
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