Calculate the molar mass of the protein
A solution of 1.00 g of a protein in 20.0 ml of water has an osmotic pressure of 35.2 torr at 298 K. Calculate the molar mass of the protein.
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A chemist has two large containers of sulfuric acid solution, with different concentrations of acid in each container. What are the concentrations of sulfuric acid in the original containers?
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A 5.00-kg steel ball is dropped onto a copper plate from a height of 10.0 m. If the ball leaves a dent 3.20 mm deep, what is the average force exerted by the plate on the ball during the impact?
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If a dielectric is inserted between the plates of a parallel-plate capacitor that is connected to a 100-V battery, which decreases? The electric field between the plates decrease, voltage across capacitor, or charge on capacitor?
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