Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Chemistry Expert

He made a slurry of silica gel with ethyl acetate to prepare his column, being careful yo tap it during loading in order to remove the air and compare the gel. Once ready, he put a bit of sand on top. He loaded about 1 gram of product that had been dissolved in 1 ml of ethyl acetate. He then began to elute with the 5:1 pentane/ethyl; acetate solvent combo and collected 8 fractions. what mistake was made here? what should he have done instead?

Chemistry, Academics

  • Category:- Chemistry
  • Reference No.:- M9865534

Have any Question?


Related Questions in Chemistry

The earth receives radiation from the sun at the top of the

The Earth receives radiation from the Sun at the top of the atmosphere with a spectrum that resembles a blackbody emitter at a temperature of nearly 6000 K, although the temperature inside the Sun is about 15 million K. ...

The common charges of an element can be related to the

The common charges of an element can be related to the electron configuration of the element. Why would copper ions have 2 common charges? Explain each of them in terms of the electron configuration.

A nutrition facts label on a food package indicates that

A Nutrition Facts label on a food package indicates that one serving contains 2% of the recommended daily allowance (RDA) of iodine. If the serving size is one cup and the RDA for iodine is 0.15 mg per day, calculate the ...

What is the chemical name for s6o and what is the chemical

What is the chemical name for S6O and what is the chemical name for S7O2?

As a distributor testa produce doesnt have direct contact

As a distributor, Testa Produce doesn't have direct contact with the public. How might the company go about alerting consumers to its "green" initiatives?

How well does tiger brands vision and mission statement

How well does Tiger Brand's vision and mission statement help narrow down feasible alternative strategies available for the firm?

Assessmenttaskyou have been tasked to prepare a report for

Assessment Task You have been tasked to prepare a report for potential investors that allows them to understand the potential social, ethical and legal opportunities and risks of a technology, selected from a list of top ...

Please attach sourceswebsites used if any thanksdetermine

Please attach sources.websites used if any. Thanks! Determine the mass of chlorine in the original sample (39.096g) as the difference in mass between the anhydrous sample (38.585g) and the mass of copper. From the mass o ...

How many moles are in 8552e02 mg megagrams of nickel iii

How many moles are in 8.552e+02 Mg (megagrams) of Nickel (III) sulfate? How many molecules are in 5.048e+02 g (grams) of Ammonium Thiosulfate? How many grams do 3.270e+20 molecules of Manganese (IV) phosphate weigh

Consider the following reactioncog cl2nbspg

Consider the following reaction. CO(g) + Cl 2  (g)  > COCl 2  (g)  The mechanism is believed to be, (1) Cl 2     2Cl (fast equilibrium) (2) Cl + CO   COCl (fast equilibrium) (3) COCl    + Cl 2  > COCl 2  + Cl (slow) (4) ...

  • 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

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As