A 0.154 g sample of an unknown enzyme is dissolved in water to make 0.184 L of solution. The osmotic pressure of the solution at 25 'C is found to be 0.646 mbar. Calculate the molecular mass of the enzyme. STRATEGY 1. Determine the molarity of the enzyme solution. 2. Determine the moles of enzyme. 3. Calculate the molecular mass of the enzyme. You can determine the molarity of the solution based on the osmotic pressure, where R = 0.08314 L-bar-K-. mol-. %3D R = RT-M What is the molarity of the solution? M = mol·L-
A 0.154 g sample of an unknown enzyme is dissolved in water to make 0.184 L of solution. The osmotic pressure of the solution at 25 'C is found to be 0.646 mbar. Calculate the molecular mass of the enzyme. STRATEGY 1. Determine the molarity of the enzyme solution. 2. Determine the moles of enzyme. 3. Calculate the molecular mass of the enzyme. You can determine the molarity of the solution based on the osmotic pressure, where R = 0.08314 L-bar-K-. mol-. %3D R = RT-M What is the molarity of the solution? M = mol·L-
Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter14: Mixtures And Solutions
Section: Chapter Questions
Problem 105A
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Transcribed Image Text:À 0.154 g sample of an unknown enzyme is dissolved in water to make (0.184 L of solution. The osmotic pressure of the
solution at 25 'C is found to be 0.646 mbar. Calculate the molecular mass of the enzyme.
STRATEGY
1. Determine the molarity of the enzyme solution.
2. Determine the moles of enzyme.
3. Calculate the molecular mass of the enzyme.
You can determine the molarity of the solution based on the osmotic pressure, where R = 0.08314 L-bar-K-. mol-.
R = R-T-M
What is the molarity of the solution?
M =
mol-L-
Question Source: MRG General Chemistry Pub
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