Calculate the molar mass of the biomolecule

Assignment Help Chemistry
Reference no: EM13128636

A 2.50-g sample of a large biomolecule was dissolved in 37.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C. Calculate the molar mass of the biomolecule. For carbon tetrachloride, the boiling point constant is 5.03°C · kg/mol, and the boiling point of pure carbon tetrachloride is 76.50°C.

Reference no: EM13128636

Questions Cloud

Identify business activities requires selecting transactions : Identifying business activities requires selecting transactions and events relevant to an organization. Which of the following events would be recorded in the accounting records of Acme Car Wash?
What will the final volume of the sample be : a sample of oxygen occupies 1.00 x 10^6 mL at 575 mm Hg is subjected to a pressure of 1.25 atm. What will the final volume of the sample be if the temperature is held Constant.
Shares of comon stock : Ralite Company had net income for the year of $20 Million. It had 2 Million shares of comon stock outstanding, with a year-end market price of $82 a share. Dividends during the year were $5.74 a share.
Find interval of the true mean to change a water pump : Time it took then to change a water pump was 18 minutes. The SD of the sample was 3. Find the 99% of the interval of the true mean.
Calculate the molar mass of the biomolecule : A 2.50-g sample of a large biomolecule was dissolved in 37.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C.
Show sampling distribution if a random sample is given : Show the sampling distribution of if a random sample of 150 insured individuals is used to estimate the proportion having received at least one ticket.
Experiencing phenomenal profits : Is is important for a company to follow a strict budget even though they may be experiencing phenomenal profits. Do you think there will a bias towards greed when creating the budget for this company? Explain.
What do you think is the more accurate basis of accounting : What do you think is the more accurate basis of accounting?
Probability of getting first questions correct-miss fourth : What is the probability of getting the first questions correct and miss the fourth with five possible answers to each question?

Reviews

Write a Review

Chemistry Questions & Answers

  What is the final temperature of the mixture

if you have 430.00 ml of water at 25.00 degrees celcius.and add 100 ml of water at 95.00 degrees celcius, what is the final temperature of the mixture?

  What is the value of kc for the reaction

If the reaction 2H2S(g) 2H2(g) + S2(g) is carried out at 1065C, Kp = 0.0120. What is the value of Kc for the reaction H2(g)+1/2S2(g) H2S(g) at 1065C ?

  What is the partial molar volume of the ethanol

At 25 0C the density of a 50 % (by mass) ethanol/water solution is 0.914 g/cc. Given that the partial molar volume of water in the solution is 17.4 cc/mol.

  Determine the emperical formula for compound

A sample of vanadium haveing 5.67 grams of mass upon heating combined with oxegen of 4.45gramsto make vanadium oxide. Determine the emperical formula for this compound?

  Determine the mass percentage of acetic acid

I dissolved .5 grams of mustard in 3 mL of distilled water. I was asked to determine the mass percentage of acetic acid in mustard, so I added 2.5 mL of NaOH to turn the mustard solution red.

  Calculate the current for diffusion-controlled electrolysis

Calculate how many atoms of potassium A three  mole sample of K2S would have and Calculate the current for diffusion-controlled electrolysis

  What is the molar mass of the protein

To determine the molar mass of an unknown protein, 1.00 mg was dissolved in 1.00 mL of water. At 25.0°C the osmotic pressure of this solution was found to be 1.47 × 10-3 atm.

  What is the mole fraction of ammonia

An aqueous solution is 30.0 % by mass ammonia, NH3, and has a density of 0.892 g/mL.The mole fraction of ammonia in the solution is?

  Write the balanced chemical equation

Write the balanced chemical equation and determine How much propane is required to cook a pork roast that needs 1.6x10 3 kJ

  What is the new volume

A balloon filled with helium has a volume of 2.41 L on a warm day at 311 K. It is brought into an air-conditioned room where the temperature is 295 K. What is its new volume.

  Calculate the ph

Consider the titration of 100.0 ml of .100M H2NNH2 by .200 M HNO3. Calculate the pH when the following volumes of HNO3 have been added

  Calculate the mass of ice

Consider a glass of 171 mL of water at 29°C. Calculate the mass of ice at -15°C that must be added to cool the water to 10°C after thermal equilibrium is achieved.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd