Answered: Physical description of prepared stock…

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter11: Properties Of Solutions

Section: Chapter Questions

Problem 109AE: Patients undergoing an upper gastrointestinal tract laboratory test are typically given an X-ray...

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Please answer the PHYSICAL DESCRIPTION table and add short captions for the photos. THANK YOU.

Transcribed Image Text:A. The "Solute" Brand name of tablet used Vita-Vigor Manufacturer Gulf Drug Active Ingredient of the tablet used L-Ascorbic Acid Mass of the Active Ingredient of the tablet used 1000 mg C6 Hg 06 Chemical formula of the tablet used Molar mass of the tablet used 176.12 g/mol Reference for molar mass of the tablet used* https://pubchem.ncbi.nlm.nih.gov/compound/Ascorbic-acid Solubility in water of the tablet used 33 g/100 mL Storage conditions this solution Store product at room temperature. Other References used** https://www.ilo.org/dyn/icsc/showcard.display?p_version=2&p_card id=0379 B. Preparation of Stock Solution Assigned concentration for stock solution (M) 0.8 M Amount of "solute" used (mg) 1000 mg = 1.0 g Molar mass "solute" used (g/mol) 176.12 g/mol Amount of "solvent" used (mL) 7.1 mL Computations involved (You may opt to handwrite, OR you may handwrite, then scan the computations in the space below. Ensure of legible and readable output) Preparation of stock solution of concentration 0.8 M by dissolving 1000 mg of L-ascorbic acid [Molar mass = 176.12 g/mol] Calculation: Given that – The amount of ascorbic acid (solute) used = 1000 mg = 1.0 g

= 176.12 g/mol
Concentration of the stock solution = 0.8 (M)
Molar mass of the ascorbic acid
W solute(g)
1
M =
*
MW solute(g/mol)
V(L)
1.0 g
1
0.8 mol/L =
176.12 g/mol
V
1.0 g
V =
0.8 mol/L * 176.12 g/mol
= 0.0071 litre
Therefore, 1
solute will be dissolved in:
7.1 mL solution.
7.1 mL of water solvent should be added to 1000 mg of ascorbic acid (solute) to
get 0.8 M stock solution of ascorbic acid.
Physical description of prepared stock solution (Transparency, color, turbidity, etc.)
(Be concise and direct to the point)
Photo documentation of the prepared stock solution
STOCK SOLUTION
Concentration: 0.8 M
Total volume: 7.1 mL
Chemical formula:
C6 Hs 06
(Place captions for your documentation)

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