Explain anhydrous sodium sulfate in the apex of the funnel

Assignment Help Chemistry
Reference no: EM13226662

what purpose does a 1-cm layer of anhydrous sodium sulfate in the apex of the funnel serve while transferring the dichloromethane extract into the round-bottom flask?

Reference no: EM13226662

Questions Cloud

What is the probability that the new machine project : The line contributes about $500 per hour to the firm's profit and overhead. What is the probability that the new machine project will meet the firm's NPV hurdle?
Explain what is the percent ionization : The Ka of a monoprotic weak acid is 5.81 × 10-3. What is the percent ionization of a 0.147 M solution of this acid?
Define what percentage of the acid is not ionized : what percentage of the acid is not ionized? (Assume all H in solution came from the ionization of HA.)
Explain preferred technique to purify high boiling liquids : what is steam distillation and why is it a preferred technique to purify high boiling liquids that are water insoluble?
Explain anhydrous sodium sulfate in the apex of the funnel : what purpose does a 1-cm layer of anhydrous sodium sulfate in the apex of the funnel serve while transferring the dichloromethane extract into the round-bottom flask?
How is the data collected and analyzed : Does your company collect any quality-related data? How is the data collected and analyzed? If no quality data is being collected, can you make a recommendation on what type of data is important to collect and how it may help your organization in ..
Briefly describe your role as an employee of an organization : Briefly describe your role as an employee of an organization in the IS field. Give examples of what you need to know about information systems and how it can help with your job performance.
Determine which customers would make good beta test sites : What criteria would you use to determine which customers would make good beta test sites? Would you want to choose lead users? Why or why not?
Which of these the objective function coefficient represent : explain the difference between profit and contribution in an objective function. Why is it important for the decision maker to know which of these the objective function coefficient represent?

Reviews

Write a Review

Chemistry Questions & Answers

  What mass of carbon dioxide will be produced

what mass of carbon dioxide will be produced if 144g of carbon react with 384g of oxygen gas according to the equation C + O2 --> CO2

  Calculate the molar concentration of cl-

A 325-mL sample of solution contains 25.3 g of CaCl2, which is fully dissolved. (a) Calculate the molar concentration of Cl- in this solution. (b) How many grams of Cl- are in 0.100 L of this solution?

  Define what is the value of the activation barrier

If a temperature increase from 20.0 to 35.0 triples the rate constant for a reaction, what is the value of the activation barrier for the reaction?

  Determine what is the activation energy

Calculate kc for the reversible reaction and determine what is the activation energy

  Calculate the ph of a buffer formed

Calculate the pH of a buffer formed by mixing 95 mL of 0.13 M lactic acid with 85 mL of 0.15 M sodium lactate.

  State potassium hydrogen tartrate is neutral and basic

Calculate how many mL of 0.100 M NaOH are needed to neutralize completely 26.0 mL of 0.0300 M acetic acid. 2) Calculate how many mL of 0.100 M NaOH are needed to neutralize completely 36.0 mL of 0.0400 M H2SO4 (forming Na2SO4 and water)

  Explain columetric flask and the colume made up

3.953g of egg shell was reacteed with 50ml of 0.1 mol/l hcl and shel contains ca2co3 after all the sheell reacted resultign solution was placed in a columetric flask and th colume made up to be 100ml.

  Define phenoxide anion and forms acetyl imidazole

Imidazole, acting as a nucleophile, catalyzes the hydrolysis of phenyl acetate by attach on the carbonyl carbon atom of the ester. The imidazole displaces the phenoxide anion and forms acetyl imidazole

  Explain the reaction of cesium with flourine

If the value of overall energy change of CsF(s) is +537.2 KJ/mol, and CsF2(s) is -1635.8 KJ/mol, which compound is more likely to form in the reaction of Cesium with flourine

  Compute the normalization factor

Normalize the harmonic oscillator wavefunctions for v=0 and v=1 (?0, ?1) by evaluating the appropriate integrals. Confirm your answer by calculating the normalization factor

  Compute the molar mass of lysozyme

what must be happened to the extent of interaction for a much longer hydrocarbon chain like cetane (for example) while  Considering that octane molecules are hydrocarbon chains?

  What is final temperature of the block after the evaporation

what is the final temperature of the block after the evaporation of the alcohol? Assume that the heat required for the vaporization of the alcohol comes only from the aluminum block and that the alcohol vaporizes at 25'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