In the experiment 200 g of salicylic acid molar mass 1381

Assignment Help Chemistry
Reference no: EM13635399

1. A 0.421g sample of aspirin prepared in the laboratoryis dissolved in 95% ethanol, diluted with water, and titrated tothe phenolphthalein endpoint with 17.3mL of 0.114 M NaOH.

a. How many moles of acetylsalicylic acid (molar mass=180.0g/mol) are present in teh sample?

b. Caculate the percent purity of acetylasalicylic acid in theasprin sample.

c. In the experiment 2.00 g of salicylic acid (molar mass =138.1 g/mol) reacts with an excess amount of acetic anhydride.Calculate the theoretical yield of acetylsalicylic acid ( molarmass = 180.0 g/mol) for this synthesis

d. Determine the number of grams of acetylasalicyclic acidthat will react with 20.0 mL of 0.100 M NaOH.

Reference no: EM13635399

Questions Cloud

If p is resolve into components parallel and perpendicular : the body on the 30 degrees incline is acted upon by a force p inclined at 20 degrees with the horizontal. if p is
For the uncatalyzed decomposition of h2o2aq to form h2ol : 1. for the uncatalyzed decomposition of h2o2aq to form h2ol and o2g the activation energy ea and the change in energy?e
A what is the magnitude of the electric field within the : the membrane surrounding a living cell consists of an inner and an outer wall that are separated by a small space.
In a study comparing four levels of factor a and two levels : in a study comparing four levels of factor a and two levels of factor b with six observations in each cell the sse3456
In the experiment 200 g of salicylic acid molar mass 1381 : 1. a 0.421g sample of aspirin prepared in the laboratoryis dissolved in 95 ethanol diluted with water and titrated
The following list is a sampling of the costs of various : the following list is a sampling of the costs of various statistics textbooks used at several colleges. give the upper
Fur point charges have the same magnitude of 24 x 10-12 c : four point charges have the same magnitude of 2.4 x 10-12 c and are fixed to the corners of a square that is 8.2 cm on
For the uncatalyzed decomposition of h2o2aq to form h2ol : 1. for the uncatalyzed decomposition of h2o2aq to form h2ol and o2g the activation energy ea and the change in energy?e
The four tires of an automobile are inflated to a gauge : the four tires of an automobile are inflated to a gauge pressure of 1.7105 pa. each tire has an area of 0.023 m2 in

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