The osmotic pressure of the solution is 0.138 atm.
Temperature of the solution is
or 301 K.
The expression for osmotic pressure is:
Here, M is the molarity of the solution.
Rearrange the expression for molarity and substitute the values.
The expression for molarity is:
Rearrange for the expression for moles and calculate the number of moles of enzyme in the solution.
Number of moles of enzyme dissolved in the solution is
Mass of enzyme dissolved in the solution is 0.150 g.
The formula to calculate the molar mass of the enzyme is:
Substitute the values and calculate the molar mass of the enzyme.