Only 1.40 mg of pure penicillin having an activity of 280, Ask an Expert

Academics

A 5.00 kg batch of crude penicillin was assayed by isotope dilution. To a 1.00 g sample of this batch was added 10.0 mg of 35S-labled penicillin having an activity of 10600 cpm. Only 1.40 mg of pure penicillin having an activity of 280 cpm was recovered. What was the penicillin content of the original 5.00 kg of crude penicillin?

View complete question

Chemistry, Academics

Category:- Chemistry
Reference No.:- M9693109

Have any Question?Write your Review or question?

Related Questions in Chemistry

If 1440 grams of rbcl are dissolved in water to make a

If 14.40 grams of RbCl are dissolved in water to make a solution of 0.224 L, the density is found to be 1.047 g/cm 3 . Calculate the molality of the solute.

How do the colors seen by the naked eye compare to the

How do the colors seen by the naked eye compare to the emission spectra emitted by the flame

What will happen if i decide to test the solubility of

What will happen if I decide to test the solubility of sodium chloride in ethanol which is less polar than water.

Q1 in your gravimatric analysis experiment you weigh the

Q1: In your gravimatric analysis experiment, you weigh the precipitate of AgCl in a filtering crucible. You have to weight your filtering crucible first (three weighing measurement), then do the filtration. After drying ...

A photon of wavelength 200 nm strikes the surface of a

A photon of wavelength 200 nm strikes the surface of a metal causing an electron to be ejected with kinetic energy of 4.3 x 10-19 J. What was the threshold frequency of the metal?

A solution has a concentration of 100 m and contains 50 g

A solution has a concentration of 10.0 m and contains 5.0 g NH3. What is the volume (in milliliters) of this solution

What is the minimum amount of 60 m h2so4nbspnecessary to

What is the minimum amount of 6.0 M H 2 SO 4 necessary to produce 25.0g of H 2 (g) according to the reaction between aluminum and sulfuric acid? 2 Al(s) + 3 H 2 SO 4 (aq) --------> Al 2 (SO 4 ) 3 (aq) + 3 H 2 (g)

Explain why the mass of the crucible and anhydrous salt is

Explain why the mass of the crucible and anhydrous salt is less than the mass of the crucible and the hydrate. What is the chemical formula of copper (II) sulfate?

A 315-nbspsample ofnbspnh4no3nbspis introduced intoan

A 3.15- sample of NH4NO3 is introduced intoan evacuated 2.26- L flask and then heated to 245 C. What is the total gas pressure, in atmospheres, in the flask at245 C when the NH4NO3 has completely decomposed?

The solubility of silver sulfate ag2so4 inwater has been

The solubility of silver sulfate, Ag2SO4, inwater has been determined to be 8.0 g/L. What is the solubility in0.37 M sodium sulfate,Na2SO4?

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Chemistry Expert