Compute the number of moles of acetic acid

Assignment Help Chemistry

Reference no: EM13235942

A 21.70mL volume of 0.0940 M NaOH is required to reach the phenolphthalein endpoint in the titration of a 3.06g sample of vinegar.

a. calculate the number of moles of acetic acid in the vinegar sample.

b. calculate the mass of acetic acid in the vinegar sample. The molar mass of acetic acid is 60.05g/mol.

c. calculate the percent by mass acetic acid in the vinegar sample. Assume the density of the vinegar is 1.00 g/mL. Express the percent acetic acid in the vinegar to the correct number of significant figures.

Reference no: EM13235942

Questions Cloud

Explain technique make the reading more accurate : a chemist often uses a white card with a black mark to aid in reading the meniscus of a clear liquid. How does this technique make the reading more accurate

Explain which system results in lowest customer waiting line : If average service time is 10 minutes and the average number of arrivals per hour is 12 guests, explain which system results in the lowest customer waiting time.

Why ethanol producers have large import tariff on ethanol : Brazilian Ethanol Producers (who make ethanol from sugarcane) have lower production costs than U.S. producers. Indeed, even though it costs 16 cents per gallon to transport ethanol from Brazil to the U.S

What is the weight of the plane : As a small aircraft approaches a landing strip, it is flying along horizontally at constant (low) altitude, What is the weight of the plane? Air density = 1.29 kg m-3

Compute the number of moles of acetic acid : A 21.70mL volume of 0.0940 M NaOH is required to reach the phenolphthalein endpoint in the titration of a 3.06g sample of vinegar. calculate the number of moles of acetic acid in the vinegar sample.

Properties of ordinal data : When the data have the properties of ordinal data and the interval between observations is expressed in terms of a fixed unit of measure, the variable has which scale of measurement

What is the diameter of proton : What is the potential difference between two points that are 0.800 m and 3.75 m from a proton? What is the diameter of the 1.80 V eqipotential surface

How to operate a manufacturing plant in youngstown : In 1987, Lowell Wilson, the plant superintendent, hired Youngstown Security Patrol, Inc. (YSP), a security company, to guard Greif property and "deter thieves and vandals." Some YSP security guards, as Wilson knew, carried firearms.

State the total molarity of acid and conjugate base : A beaker with 165 mL of an acetic acid buffer with a pH of 5.000 is sitting on a bench. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 7.00 mL of a 0.390 M HCl solution to the beaker. How much will the pH c..

User Account

All Pages