Explain how many excess moles of acetic anhydride

Assignment Help Chemistry
Reference no: EM13301405

(a) How many moles of acetic anhydride were represented by the 6.00mL (density=1.08 g/mL) used in the synthesis? (b) How many excess moles of acetic anhydride were used- over and above the amount needed to react with 3.00 g of salicylic acid?

Reference no: EM13301405

Questions Cloud

What is the overall economic assessment being made : The Update of the June 4th, 2014 Beige Book was prepared at the Federal Reserve Bank of New York. The information is collected 6 weeks prior to each anticipated Federal Open Market Committee (FOMC)
The chief executive officer of a local hospital : You (The Chief Executive Officer of a local hospital) have just been informed by the Chief Financial Officer who has been handling contract negotiations with the nursing staff that things have broken down and that it is inevitable
What is amish enterprises break-even output level : Fixed advertising expenses equal $100,000 per year. Each play set sells for $3,200. What is Amish Enterprises' break-even output level?
Describe what is the molar mass of the acid : A 0.481 gram sample of an unknown acid (HX) required 28.95 mL of 0.2103 M NaOH for neutralization to the phenolphthalein end point. What is the molar mass of the acid
Explain how many excess moles of acetic anhydride : (a) How many moles of acetic anhydride were represented by the 6.00mL (density=1.08 g/mL) used in the synthesis (b) How many excess moles of acetic anhydride were used- over and above the amount needed to react with 3.00 g of salicylic acid
A non-graded assignment : An outline of your proposed research paper should be emailed to your professor for Unit IV. The outline you submit in Unit IV is a non-graded assignment. Your outline must have a clear topic sentence, thesis, and outline of your intended paper.
Explain formation of precipitate and formation of a gas : Formation of precipitate, formation of a gas, acid-base reaction forming a weak electrolyte, acid-base reaction forming of a gas or redox. AgNO3(aq) + HCI(aq) A) Molecular equation: B) Complete ionic equation: C) Net ionic equation: D) Type of rea..
Determine the mass of the cylinder : A cylindrical piece of metal 0.085 m tall with a diameter of 3.90 cm has sp.gr. = 2.0, what is the mass of the cylinder
The introduction of money in indirect exchange and way : Write a 2000 word essay considering the benefits of exchange in the light of the law of association,the introduction of money in indirect exchange and way income gets distributed among market participants.

Reviews

Write a Review

Chemistry Questions & Answers

  Calculate the frequency of light

Calculate the frequency (in Hz) of light necessary to move an electron in a He+ ion from the n =2 to n =4 energy level. The Rydberg constant for a helium ion is R = 4.390 x 107 m-1

  Explain a concentration of the pollutant no2 in air

A concentration of the pollutant NO2 in air of 3.00 ppm (m/v) may be lethal to humans. Will air that contains 1.9 x 10^-3g at NO2 per liter be lethal to humans?

  How cis-1 4-dibromocyclohexane is produced

Compound B has molecular formula C6H10O and does not possess any bonds. When treated with concentrated HBr, cis-1,4-dibromocyclohexane is produced. Identify the structure of compound B.

  Compute h in kj per mol of hbr for the solution

When a 9.92-g sample of gaseous hydrogen bromide dissolves in 45.5 g of water in a coffee-cup calorimeter the temperature rises from 25.00 oC to 69.79 oC. Calculate H in kJ per mol of HBr for the solution process.

  Increase in the entropy of the system under consideration

Which of the following involve an increase in the entropy of the system under consideration?

  Compute the catalytic efficiency of lysozyme

Calculate the catalytic efficiency of lysozyme (in units of M-1 s-1), in terms of the rate of encounter of enzyme with substrate. How does this value compare to the diffusion-limited value of k1 = 109 M-1 s-1?

  What volume of ethanol must be diluted

What volume of ethanol must be diluted with water to prepare 308 mL of 0.700 M solution?The density of ethanol is given as 0.789 g/mL.

  State the number of electrons in a flake of pure gold valued

Compute the number of electrons in a flake of pure gold valued at $0.5. Assume that the price of gold is $1426.0/troy oz.

  State prevent the precipitation of magnesium hydroxide

how many moles of NH4Cl are necessary to prevent the precipitation of magnesium hydroxide (neglect change in volume due to addition of NH4Cl)? The solubility product for Mg(OH)2 is 1.5× 10-11, and the Kb for ammonia is 1.8 × 10-5.

  Compute the molar absorptivity of the solution

solution has a transmittance of 0.309 in a 1.00 cm cell at 520 nm. Calculate the molar absorptivity of the solution.

  Explain and draw the structure of a dna nucleotide

Draw the structure of a DNA nucleotide represented by the abbreviation "C." Do not include formal charges on the phosphate group.

  Explain which metal would provide the worst protection

Which metal would provide the worst protection for an iron pipe buried in the ground if attached to an iron pipe, Ag, Cu, Zn, Mg

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