Explain what is the minimum volume of boiling water

Assignment Help Chemistry
Reference no: EM13678391

1. Explain what is the minimum volume of boiling water needed to dissolve .2 g of sodium benzoate? The solubility of sodium benzoate in boiling water is one gram per 1.4 mL about explain how much sodium benzoate at 25 C is 1 gram per 1.8mL.

Compute the max mass of solid sodium benzoate that can be recovered when the cooled solution is filtered.

2. Explain why would mixed solvents be used for recrystallization?

3. Define why the melting point of pure phthalic acid is higher than that of pure naphthalene when both have nearly the same weight.

Reference no: EM13678391

Questions Cloud

Explain how many grams of sucrose should she use water : Explain how many grams of sucrose should she use with 150 g or water, if that defines how much solution she needs to prepare
How to make led string : How to Make LED String / Strip Circuit Diagram Using PCR-406 ?
Compute the work done by the system as a result : Compute the work done by the system as a result of the reaction. The atmospheric pressure is 1.1atm as well as the temperature is 23oC. Presume perfect gas behavior and the hydrochloric acid is in excess.
Explain what are the pka values ph and ka values : A titration was performed on 10 ml of unknown weak acid. NaOH was titrated with it. The NaOH concentration was 0.09445. The second equivalence point was at 18.85 and the first at 9.42. Explain what are the pKa values pH and Ka Values
Explain what is the minimum volume of boiling water : Explain what is the minimum volume of boiling water needed to dissolve .2 g of sodium benzoate. The solubility of sodium benzoate in boiling water is one gram per 1.4 mL about explain how much sodium benzoate at 25 C is 1 gram per 1.8mL.
Explain how much hcl must be added to a liter of buffer : Explain how much HCL must be added to a liter of buffer that is 1.3M in acetic acid and .80M in sodium acetate to result in a buffer pH of 4.09
Explain what is the hydronium ion : Explain what is the hydronium ion. State the net ionic equation for the neutralization of an acid with a base using the hydronium ion
Explain how many grams of sucrose must be added : Explain how many grams of sucrose must be added to 500.g of water at 100C to change the vapor pressure to 752mm Hg? It says the answer is 101 grams
Compute the ph at the equivalence point in the titration : Compute the pH at the equivalence point in the titration of 45mL of 0.190 M methylamine with a 0.305 M HCL solution. Compute the pH of 0.33M NaF solution. Ka for HF=7.1x10-4

Reviews

Write a Review

Chemistry Questions & Answers

  Steps in the mechanism for the following reaction

Show all the steps in the mechanism for the following reaction, When benzene is mixed with deuterated sulfuric acid, deuterium is slowly incorporated onto the ring. Show the mechanism for this reaction and explain how this relates the sulfonation of ..

  Prior to placing piece of metal into the graduated cylinder

This assignment inhibits chemistry Laboratory Questions.

  Write the structures of the saytzeff elimination

Write the structures of the saytzeff elimination

  Calculate ph - chemistry questions

Chemistry Questions on Calculate P H

  How many mols of hydrogen can produce

how many mols of H 2 can produce

  Analysis of corrosion mechanisms

Analysis of corrosion mechanisms and preventative measures

  Chemical and pharmaceutical science

Write an equation for the formation of an acetal from reaction of excess methanol with benzaldehyde in the presence of an acid catalyst.

  Calculate the approximate sulphur

Calculate the approximate SO 2 mass emission in lb/day.

  What is the structure - stereochemistry

What is the structure (including functional groups)? Stereochemistry (racemic or single enantiomer)?

  Design a qualitative analysis scheme

Design a qualitative analysis scheme

  What will be the resultant pressure

What will be the resultant pressure when the stopcock is opened?

  The 1h nmr spectrum

Integrals for some of the resonances in the 1H NMR spectrum are higher than they should be due to the shear number of hydrogens in this compound

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