What is the concentration of vitamin c in the juice in mg

Assignment Help Chemistry
Reference no: EM13385657

A sample of fresh grapefruit juice was filtered and titrated with the above I2 solution. A 100 mL sample of the juice took 9.85 mL of the iodine solution to reach the starch endpoint.

a. What is the concentration of vitamin C in the juice in mg vitamin C/100 mL of juice (mg/ 100 mL)?

b. What quantity of juice will provide the RDA amount of vitamin C (mL)?

Reference no: EM13385657

Questions Cloud

Calculate the molarity of the solution how many grams of : calculate the molarity of the solution. how many grams of kno3 are needed to make 450 ml of a solution that is to
If the open-tube manometer in the figure below contains a : if the open-tube manometer in the figure below contains a nonvolatile silicone oil density 1.30 gcm3 instead of
Write the expression for the equilibrium constant kc for : write the expression for the equilibrium constant kc for the following chemical reaction?4h3oaq 2cl-aq mno2s mn2aq
Palladium crystallizes with a face-centered cubic : palladium crystallizes with a face-centered cubic structure. it has a density of 12.0 gcm3 a radius of 138 pm and a
What is the concentration of vitamin c in the juice in mg : a sample of fresh grapefruit juice was filtered and titrated with the above i2 solution. a 100 ml sample of the juice
What is the mechanism of the reaction between benzophenone : what is the mechanism of the reaction between benzophenone with sodium borohydride and indicate what bonds are
The density of pure silver is 105 gcm3 at 20degc if 617 g : the density of pure silver is 10.5 gcm3 at 20degc. if 6.17 g of pure silver pellets is added to a graduated cylinder
A 0456 gram sample of an unknown mono protic acid lets call : a 0.456 gram sample of an unknown mono protic acid lets call it hz was dissolved in some water you pick the amount.
One compound of mercury with a formula mass of 519 g mol-1 : one compound of mercury with a formula mass of 519 g mol-1 contains 77.26hg 9.25c and 1.17h with the balance beingo.

Reviews

Write a Review

Chemistry Questions & Answers

  Find out the volumetric flow rate of air

A mixture of fuel containing 0.530 mol CH4/mol, 0.330 mol C3H8/mol, and 0.140 mol C5H12/mol at 60.0°C and 125 kPa (gauge) enters a furnace at a rate of 91.0 L/min where it reacts with 17.4% excess air.

  Principles and instrunmentaion of conductomery

Write he basic principles and instrunmentaion of conductomery

  Calculate the concentration of so2 that must be reached in

calculate the concentration of so2 that must be reached in polluted air if the dissolved gas is to produce a ph of 4.0

  Explain the minimum amount of hydrogen

The equilibrium constant for H2(g)+I2(g)->2HI at 40 oC is 20. The vapor [pressure of solid iodine at 40 oC is 0.1 bar. 12.7 g of solid iodine is placed in a 10 L vessel. What is the minimum amount of hydrogen that must be placed in the bulb to rem..

  Define gas formation and ppt for precipitation

For each reaction, use the solubility rules as well the equations in the background information to predict if there is a reaction, If there is no reaction indicate so by writting NR under predictions, write gas for gas formation and PPT for precip..

  Define the same reactant decomposes with a half-life

The same reactant decomposes with a half-life of 211 s when its initial concentration is 0.160 M. Determine the reaction order

  Explain how many grams of carbon tetrachloride are required

According to the following reaction, how many grams of carbon tetrachloride are required for the complete reaction of 21.1 grams of methane (CH4)?

  Explain what is the pkb for the hypohalite anion

Hypohalic acid, HOX, is a weak acid with a Ka of 3.341x10-8. What is the pKb for the hypohalite anion, OX-, in a 0.8865 M solution of KOX

  Explain solution of sulfuric acid has a concentration

Sulfuric acid,H2SO4 is a strong diprotic acid. A sample of aqueous solution of sulfuric acid has a concentration of 0.0582 M. Calculate the concentration of H3O+ ion, HSO4- and (SO4)2- ions from this solution. Ka = 1.18 * 10^-2

  Find the value of the equilibrium constant kc

At equilibrium, the concentration of the product methanol was found to be 0.060 M. The value of the equilibrium constant Kc for this reaction is

  What is the acid-ionization constant ka for the ionization

what is the acid-ionization constant ka for the ionization of acetic acid shown in the reactionch3coohaq h2ol

  State hcl added to completely neutralize naproxen sodium

Using the list of Active Ingredients provided, was there enough HCl added to completely neutralize Naproxen Sodium. (Show all calculations). List of ingredients: 5mL ethyl acetate, 1mL HCl, 1mL brine (saturated NaCl sln), tip of scoopula of Na2S..

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