State the column required for the best purification

Assignment Help Chemistry
Reference no: EM13172270

Give the steps to prepare the column required for the best purification of 0.40g of crude product using silica gel. (density=0.60g/mol)

b)What is the best coloumn for this procedure?

*pipette (r=0.1cm)

or *50mL burret (r=0.5cm)

or *Chromotography Column (r=2cm)

or * Chromotography Column (r = 10cm)

Reference no: EM13172270

Questions Cloud

Use a diagram to illustrate how economic growth is shown : Suppose that the nation with the initial  PPF  given in the table enjoys a technological breakthrough that enables it to double the production of tractors at each level of food production. Use a diagram to illustrate how economic growth is shown usin..
Draw an rea diagram-data modeling and database design : Data modeling and database design,  Draw an REA Diagram,  Draw an REA diagram for Sparky’s revenue cycle only. Be sure to include cardinalities. State any assumptions you had to make.
Tic-tac-toe game assignment : Assignment 1(Java): Tic-Tac-Toe Game (Assignment 1 is attached),  Use the concepts and scenario from Assignment 1 and continue with the tic-tac-toe game design and development.  Section 1: Java Program File, The following method, numPaths, is suppos..
Determine the equivalent units of production : Determine the equivalent units of production with respect to (a) direct labor and (b) direct materials. Compute both the direct labor cost and the direct materials cost per equivalent unit.
State the column required for the best purification : Give the steps to prepare the column required for the best purification of 0.40g of crude product using silica
Compute the rate of water removal from the condenser : Calculate the rate of water removal from the condenser, the rate of dehumidified (1.50% water) air delivered to the house, and the flow rate and composition of the humid air entering the condenser
State what is the approximate ph at the equivalence point : What is the approximate pH at the equivalence point of a weak acid-strong base titration if 25 mL of aqueous formic acid requires
State decreased to one-third of its original pressure : The pressure of 4.57 L of an ideal gas in a flexible continer is decreased to one-third of its original pressure, and its kelvin temperature is decreased by one half
Define in detail why these bacteria don''t begin to excrete : Explain in detail why these bacteria don't begin to excrete this metabolite before using up the phenylalanine in the medium.

Reviews

Write a Review

Chemistry Questions & Answers

  Equilibrium ph

Given the equilibrium pH will you have successfully reduced each metal ion level to below the MLC? give detailed calculations to support your answer.

  Calculate the molar solubility of mg

Calculate the molar solubility of Mg(OII)_2 in a solution with a pH of 12.8 (K_op of Mg(OH)^2 is 1.2 * 10^-11

  State sodium bisulfite is a reducing agent

sodium bisulfite is a reducing agent. write a balanced oxidation reduction reaction equation for the reaction that occurs

  Calculate the equilibrium constant for the reaction

Calculate the equilibrium constant for the reaction - flask at a certain temperature according to the reaction

  Assume ideal behavior for all gases

If you fill the larger tank with oxygen to a pressure of 135 , to what pressure should you fill the acetylene tank to ensure that you run out of each gas at the same time? Assume ideal behavior for all gases.

  Determine the partial pressure of neon

A mixture of helium and neon gases is collected over water at 28.0 C and 745 mmHg. if the partial pressure of helium is 368 mmHg, what is the partial pressure of neon?

  What will be the concentration of h_2so_4 in the battery

Suppose that a fully charged lead-acid battery contains 1.50 L of 5.00 M H_2SO_4. What will be the concentration of H_2SO_4 in the battery after 2.40 A of current is drawn from the battery for 8.00 hours?

  Write the structure of the conjugate acid

Consider the base monosodium phosphate and Write the structure of the conjugate acid of this base- ineffective for extracting C7H6O2 from a diethyl ether solution.

  How many possible isomers could exist for diacetylferrocene

How many possible isomers could exist for diacetylferrocene? Explain. Calculate the volume of 3M aqueous sodium hydroxide needed to neutralize the acetic and phosphoric acids in the synthesis of acetylferrocene?

  What is the percent yield

Consider the following reaction. N2 + 3H2 -> 2NH3 . 28.0 grams of N2 and 5.04 grams of H2 are reacted, producing 17.8 grams of NH3. What is the percent yield?

  What is the empirical formula

a hydrated compound has an analysis of 18.29% Ca 32.37% CI and 49.34% water. what is the empirical formula?

  Calculate the pressure of this same amount of gas

A 952 cm3 container of gas is exerting a pressure of 108 kPa while at a temperature of 48 °C. Calculate the pressure of this same amount of gas in a 1236 cm3 container at a temperature of 64 °C.

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