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Lysozyme is an enzyme that cleaves cell walls. A $0.100-\mathrm{L}$ sample of a solution of lysozyme that contains 0.0750 $\mathrm{g}$ of the enzyme exhibits an osmotic pressure of $1.32 \times 10^{-3} \mathrm{atm}$ at $25^{\circ} \mathrm{C}$ . What is the molar mass of lysozyme?

$1.39 \times 10^{4}$ amu

01:53

Aadit S.

Chemistry 102

Chapter 11

Solutions and Colloids

Solutions

University of Central Florida

University of Maryland - University College

University of Toronto

Lectures

03:58

In chemistry, a solution i…

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In physics and thermodynam…

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Lysozyme is an enzyme that…

12:50

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An aqueous solution of 10.…

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A 1.10-g sample contains o…

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What mass of sucrose $\lef…

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02:39

A small protein has a mola…

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A solution containing 27.5…

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At $25^{\circ} \mathrm{C}$…

to determine the molar mass of listen Zain We need to know the mass of license sign which was provided at .0750 g and the corresponding moles associated with that mass. Then we divide those two numbers to get molar mass. So we know the mass. We don't know the moles. We can calculate the moles from the osmotic pressure information. First we need to calculate the polarity rearrangement of the osmotic pressure equation allows us to calculate polarity by taking the pressure. The osmotic pressure and dividing it by RT T. Is 25°C or to 98.15 Kelvin. This gives us similarity of 5.395 times 10 to the -5 Moller. Now knowing the polarity and the volume of the solution, we can calculate the moles of the solute in that volume by simply multiplying the volume and the polarity And we get 5.395 times 10 to the -6 moles molar mass is defined as the grams of the solute per mole salute. So we take the grams of the salute. Do we divide it by the moles of the solute, and we get the molar mass of the salute, 13,900 g per mole.

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