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Chemistry
Solutions
Osmotic Pressure
Determine the osmotic pressure (in psi) , at 75.0o F, of an aqueous solution that is 2.60 % sodium sulfate by mass
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Calculate the freezing point depression and osmotic pressure at 25 degrees C of an aqueous solution of 1.0 g/L of a protein (mol
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To calculate the molality and molarity of the protein solution, we first need to determine the
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A dilute aqueous solution of CaCl2 contains 0.159 grams of solute per liter of
solution. It is fully dissociated. What is the
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pi = iMRT i = 3 for CaCl2 moles = grams/molar mass CaCl2, then M = moles/L R = 0.08206 T = 20 in
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How does the osmotic pressure of an aqueous solution change as evaporation occurs?
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pi = MRT. If evaporation occurs, what happens to the volume? decreases? If the volume decreases,
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calculate the freezing point and osmotic pressure at 25 degrees celcious of an aqueous solution containing 1.0 g/L of a protein
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Calculate the osmotic pressure of this solution.
18..6 grams of solute with molecular mass of 8940 grams are dissolved in enough
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pi = MRT moles = grams/molar mass. Solve for moles. Then use moles in M = moles/L to solve for M,
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Cell walls tend to limit cell expansion when a cell is placed in a hypotonic solution. The pressure created by the passive
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Turgor pressure.
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What would the osmotic pressure be for an aqueous solution that contained the following, .4 M NaCl, .3 M glucose and .2 M CaCl2?
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I am having trouble figuring out the calculations for osmotic pressure. This is what I need to do.
Indicate whether the osmotic
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pi = i*M*R*T R and T (and M) are constant; therefore, only i will affect pi. i for NaNO3 = 2 i for
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Arginine vasopressin is a pituitary hormone. It helps regulate the amount of water in the blood by reducing the flow of urine
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pi = osmotic pressure in atm. pi = MRT Substitute and solve for M = molarity. M = mols/L. You have M
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Arginine vasopressin is a pituitary hormone. It helps regulate the amount of water in the blood by reducing the flow of urine
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To determine the molecular mass of arginine vasopressin, we can use the equation for osmotic
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