The ratio of acetylsalicyclic acid to other acid impurites

Assignment Help Chemistry

Reference no: EM13170395

mass of aspirin= 0.512 grams

Millimoles of 0.1 M NaOH (required to neutralize all acid)= 2.532mmol

Millimoles of 0.1 M NaOH (used in hydrolysis)= 4.300mmol

Milimoles of 0.1 HCl (used in back titration)= 1.558 mmol

Grams of acetylsalicyclic acid in sample= 0.4941grams

Percent aspirin= 96.5%

Q) From the above data, find the number of millimoles of acidic impurites and what is the ratio of acetylsalicyclic acid to other acid impurites?

Reference no: EM13170395

Questions Cloud

Compute the hydrogen ion concentration in the anode : Consider the following cell: Pt|H2(g, 0.670 atm)|H (aq, ? M)||Ag (aq, 1.00 M)|Ag(s) If the measured cell potential is 1.15 V at 25 °C and the standard reduction potential of the Ag /Ag half-reaction couple is 0.80 V, calculate the hydrogen ion con..

Presume the individual drank all of the alcohol at once : An individual's blood alcohol content (% alcohol in blood as measured mass per volume = mass of alcohol per volume of blood) was 0.15. If we assume the individual drank all of the alcohol at once

Significantly affects the calculation of r in the experiment : Most top-loading balances used in this experiment measure a mass only to the nearest mg(+/- 0.001 g). This significantly affects the calculation of R in the experiment

State careful analysis shows that the ratio of the amount : A rock sample contains traces of 238U, 235U, 232Th, 208Pb, 207Pb, and 206Pb. Careful analysis shows that the ratio of the amount of 238U to 206Pb is 1.164

The ratio of acetylsalicyclic acid to other acid impurites : From the above data, find the number of millimoles of acidic impurites and what is the ratio of acetylsalicyclic acid to other acid impurites?

State a mixture of sodium sulfate : K2Cr2O7 was used to titrate a sample known to contain a mixture of sodium sulfate (Na2C2O4) and sodium oxalate (K2C2O4). The dichromate does not react with sodium sulfate.

Explain final endpoint and a concentration : The titration of 0.50 M NH3 with 0.50 M HCL results in a final endpoint and a concentration of 0.25 M NH4 Cl with essentially all the NH3 complete conversion to NH4^

What is the coordination geometry about the vanadium ion : What is the coordination geometry about the vanadium ion incrystals of the alum? Write balanced equations for each reduction step. Assuming an average current of 1.75amps is passed during theelectrolysis, calculate how long it would take to reduce ..

Explain the pka of the drug ephedrine : The buffer has a concentration of 150 mMol ( 150 mM of KH2PO4 / 150 mM K2HPO4. The pKa of the drug ephedrine is 9.6. Will the drug have a negative, positive, or neutral?

User Account

All Pages