A 0.158 g sample of an unknown enzyme is dissolved in water to make 0.134 L of solution. The osmotic pressure of the solution at 25 °C is found to be 0.718 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-l. mol-. 1 = R-T-M What is the molarity of the solution?

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A 0.158 g sample of an unknown enzyme is dissolved in water to make 0.134 L of solution. The osmotic pressure of the
solution at 25 °C is found to be 0.718 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-l. mol-.
1 = R:T·M
What is the molarity of the solution?
.126
M =
mol·L-
Incorrect
Transcribed Image Text:A 0.158 g sample of an unknown enzyme is dissolved in water to make 0.134 L of solution. The osmotic pressure of the solution at 25 °C is found to be 0.718 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-l. mol-. 1 = R:T·M What is the molarity of the solution? .126 M = mol·L- Incorrect
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