Explain the caffeine is extracted and dissolved in water

Assignment Help Chemistry
Reference no: EM13514966

A 16 ounce specialty coffee drink contains 216 mg caffeine. If all the caffeine is extracted and dissolved in an equal amount of water, what is the pH of the solution? What is the percent ionization?

Reference no: EM13514966

Questions Cloud

How does transaction affect fedex ratio : How does this transaction affect FedEx's ratio
When should she pay the bill-this year : Assume her marginal tax rate is 40 percent this year and next year, and that she can earn an after-tax rate of return of 12 percent on her investments. When should she pay the $20,000 bill-this year or next?
What is the charge on the outer surface of the conductor : An isolated conductor of arbitrary shape has a net charge of +11 x 10- 6 C. what is the charge on the outer surface of the conductor
Define window glass is typically made by mixing soda ash : Window glass is typically made by mixing soda ash (Na2CO3), limestone (CaCO3), and silica sand (SiO2) and then heating to 1500 degrees Celcius to drive off Co2 from the Na2CO3 and CaCO3
Explain the caffeine is extracted and dissolved in water : A 16 ounce specialty coffee drink contains 216 mg caffeine. If all the caffeine is extracted and dissolved in an equal amount of water, what is the pH of the solution. What is the percent ionization.
Determine the number of revolutions : Determine the number of revolutions through which a typical automobile tire turns in 1 yr. Suppose the automobile travels 13000 miles each year on tires with radius 0.260 m
Find the range of sound frequencies heard by the student : In a classroom demonstration, a speaker was mounted on the end of a 50.0 cm long arm, Calculate the range of sound frequencies heard by the students in the classroom
Definition of normal-abnormal vary from culture to culture : How does the definition of normal and abnormal vary from culture to culture? Can you think of examples in our culture where what is considered normal by some is considered abnormal by others?
Compute the molar mass of a gas that has a density at stp : Calculate the molar mass of (a) a gas that has a density of 1.98g/L at STP and, (b) an unknown liquid for which 3.33 liters at STP is found to weigh 10.88g

Reviews

Write a Review

Chemistry Questions & Answers

  Explain the structure of biphenyl and the numbering scheme

The structure of biphenyl and the numbering scheme used in naming its derivatives are indicated below. What is the major product obtained on dinitration of biphenyl (HNO3, H2SO4)

  The most common source of copper rm cu is the mineral

the most common source of copper rm cu is the mineral chalcopyrite rm cufes2. how many kilograms of chalcopyrite must

  A melting point determination of vanillin melting point 80

a melting point determination of vanillin melting point 80 c was made with a heating apparatus setting at the maximum

  Explain a compound containing nitrogen and oxygen

A compound containing nitrogen and oxygen is decomposed in the laboratory and produces 1.78 of nitrogen and 4.05 of oxygen emperical formula

  State the aqueous layer after extraction

If there are initially 7.21 grams of the compound dissolved in 110.0 mL of water, how many grams will remain in the aqueous layer after extraction with one 30.0 mL portion of ether?

  A solution initially 0100 m in hocl and 0300 m in naocl

a solution initially 0.100 m in hocl and 0.300 m in naocl. what is the ph in 0.030 mol of solid naoh is added to 1.00 l

  Explain chemical reactions that increase the number of moles

a) decreasing the volume of a gas b) melting a solid c) chemical reactions that increase the number of moles of gas d) forming mixtures from pure substances e)increasing the temperature of a gas

  What is the ph of hc3h5o3 buffer

Suppose buffer #1 is prepared using 40.0 mL 0.1 M HC3H5O3 and 60.0 mL 0.1 M C3H5O3- to give a final volume of 100.0 mL. What is the pH of this buffer

  Presume all food consumed goes to making atp

One mole of sucrose weighs 342.3 grams. 1mol=6.02*10^23 molecules. Dietary fats (typically 18-20 carbons) contain about 9 dietary calories per gram. Assume all food consumed goes to making ATP

  Which best describes a solid

Which best describes a solid?

  Evaluate the gas law constant

A student following the procedure described in this module collected the foll wing data: Mass Mg, m= 0.0243, initial syringe volume, ml=1.0, final syringe volume,ml= 26.5, barometric pressure, torr= 754, temperature,k= 298. Calculate the gas law c..

  Explain the specific rotation d for (s)-2-butanol

A sample of (S)-2-butanol has an observed rotation of +1.03°. The measurement was made with a 1.0 M solution of (S)-2-butanol in a sample container that is 10 cm long. What is the specific rotation [?]D, for (S)-2-butanol

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