Question

In: Chemistry

A 0.15 g sample of a purified protein is dissolved in water to 2.0ml of solution....

A 0.15 g sample of a purified protein is dissolved in water to 2.0ml of solution. The osmotic pressure is found to be 18.6 torr. Calculate the molar mass of the protein.

Solutions

Expert Solution


Related Solutions

A 29.0-g sample of NaOH is dissolved in water, and the solution is diluted to give...
A 29.0-g sample of NaOH is dissolved in water, and the solution is diluted to give a final volume of 1.60 L. The molarity of the final solution isA) 18.1 M B) 0.453 M C) 0.725 M D) 0.0552 M E) 0.862 M
Consider a sample that has 121.6 g of K2SO4 dissolved in water to make a solution...
Consider a sample that has 121.6 g of K2SO4 dissolved in water to make a solution that is 1.31 L. When responding, please only input your numeric value with three significant figures. No units. 1). What is the molarity of the compound in this sample? 2). What is the molality of the compound in this sample? Density of the solution is 1.06 g/mL. 3). Based on the dissociation reaction for K2SO4, determine the Van’t Hoff Factor (i). 4). What is...
A 0.9140 g sample of a mixture of NaCl and KCl is dissolved in water, and...
A 0.9140 g sample of a mixture of NaCl and KCl is dissolved in water, and the solution is then treated with an excess of AgNO3 to yield 1.943 g of AgCl. Calculate the percent by mass of each compound in the mixture.
A 0.9000 g sample of a mixture of NaCl and KCl is dissolved in water, and...
A 0.9000 g sample of a mixture of NaCl and KCl is dissolved in water, and the solution is then treated with an excess of AgNO3 to yield 1.923 g of AgCl. Calculate the percent by mass of each compound in the mixture. ____% mass of NaCl ____% mass of KCl
- A 35.0 g sample of ethylene glycol, HOCH2CH2OH is dissolved in 500 g of water....
- A 35.0 g sample of ethylene glycol, HOCH2CH2OH is dissolved in 500 g of water. The vapor pressure of water at 32 C is 35.7 mmHg, What is the vapor pressure of the water/ethylene glycol solution at 32 C? - What is the Boiling Point of the solution resulted from the dissolving of 32.5 g of sugar (C6H12O6) in 250.0 g of water? - . A 1.07 mg sample of a compound was dissolved in 78.1 mg of camphor....
A sample containing acetaminophen was dissolved in water to make a 50.00-mL solution. The solution was...
A sample containing acetaminophen was dissolved in water to make a 50.00-mL solution. The solution was titrated with 0.5065 M NaOH, and the equivalence point was reached when 26.10 mL NaOH solution was added. The terminal hydrogen (on the OH) is removed during neutralization. The Ka value of acetaminophen is 3.2 × 10−10. Calculate the pH at the equivalence point.
0.4857 g of KHP was dissolved in water and titrated with a solution NaOH of unknown...
0.4857 g of KHP was dissolved in water and titrated with a solution NaOH of unknown Molarity. A volume of 20.35 mL of NaOH solution was required to reach the endpoint. Two more runs with 0.4449 g and 0.4701 g of KHP required 19.04 and 19.73 mL of the NaOH respectively. a)Calculate the mL of NaOH/g KHP for each run. b)Find the mean, standard deviation, and CV c) The fourth run with 0.4501 g of KHP needed 18.89 mL of...
An unknown mass of sodium hydroxide is dissolved in 500 g of water. This solution is...
An unknown mass of sodium hydroxide is dissolved in 500 g of water. This solution is neutralized by adding successively 18 g of CH3COOH, 25.2 g HNO3, and 29.4 g of H2SO4. Determine a) the mass of NaOH b) the mass of H2O in the neutral solution.
When a 7.00-g sample of RbBr is dissolved in water in a calorimeter that has a...
When a 7.00-g sample of RbBr is dissolved in water in a calorimeter that has a total heat capacity of 1.931 kJ·K–1, the temperature decreases by 0.480 K. Calculate the molar heat of solution of RbBr.
A mixture contains only and . A 4.51-g sample of the mixture is dissolved in water...
A mixture contains only and . A 4.51-g sample of the mixture is dissolved in water and an excess of is added, producing a precipitate of . The precipitate is filtered, dried, and weighed. The mass of the precipitate is 1.06 g. What is the mass percent of in the sample? %
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT