Find the molarity of ascorbic acid in the juice

Assignment Help Chemistry
Reference no: EM13164763

A 20.0-rnL portion of pineapple juice was placed in a flask with 20 mL of 0.5M H2S04, Then 2 g of potassium iodide and 20.17 mL of 0.02001M potassium iodate were added to the sample. Titration with sodium thiosulfate required the use of 18.94mL of 0.07992M Na;>203' Find the molarity of ascorbic acid in the juice.

Reference no: EM13164763

Questions Cloud

What is the formula for the ion formed : what is the formula for the ion formed when each of the following elements loses its valence electrons.
Compute ksp value for tlcl : Calculate the molar concentration of Tl+ and Cl- in this saturated solution. Calculate Ksp value for TlCl at this temperature
What is the partial pressure of oxygen : a sample of gas is collected over water at a temperature of 35.0C when the barometer pressure reading is 742.) torr. What is the partial pressure of oxygen?
What would be the partial pressure of the oxygen : If oxygen gas were collected over water at 22 C and the total pressure of the wet gas were 650 mm Hg, what would be the partial pressure of the oxygen?
Find the molarity of ascorbic acid in the juice : Titration with sodium thiosulfate required the use of 18.94mL of 0.07992M Na;>203' Find the molarity of ascorbic acid in the juice.
How many moles of c atoms are in the toothpaste : a toothpaste contains 0.24% by mass sodium fluoride, NaF and 0.30% by mass of triclosan, C12H7Cl3O2. The mass of one toothpaste is 119g. How many moles of C atoms are in the toothpaste.
Database software to design a customer system : An E-R diagram of your database that clearly shows the primary and foreign keys for each table and a screen shot of the first page of the contents of each table. Alternatively, you may create a report that dumps the contents of a table and submit a..
Using the search tools available to you : Using the search tools available to you, identify three or more switch manufacturing companies and describe the features of two different switch types from each company. Based on what you know so far, how might you use the devices you've identifie..
Every program in a system contains : Assume that every program in a system contains 40,000 machine code instructions. To execute an instruction it takes 4 machine cycles. Assume that a computer constantly keeps 150 active processes in execution and each active process needs to be exe..

Reviews

Write a Review

Chemistry Questions & Answers

  Determine what mass of titanium displaces

Determine what mass of titanium displaces 65.6mL of H 2 O at the temperature 25 degree Celsius if the density of titanium metal is 4.51 g/cm 3 at the temperature of 25 ° C .?

  Determine the kinetic energy of the departing electron

Radiation with a 58.4 nm of wavelength interacts with a H 2 (hydrogen atom)and induces the ejection of an electron then determine the kinetic energy of the departing electron express your answer in eV?

  Explain the height of the candes in the container increases

If the height of the candes in the container increases at the rate of 0.270 cm/s, at what rate (kilograms per minute) does the mass of the candies in the container increase?

  What was the concentration of sulphuric acid

You are given 5.00 mL of an H2SO4 solution of unknown concentration. You divide the 5.00-mL sample into five 1.00-mL samples and titrate each separately with 0.1000 M NaOH.

  Find out the molecular formula

find out the molecular formula and empirical of this compound and determined to contain 4.36 grams of  phosphorus and 5.64 grams of oxygen

  How much energy is released

How much energy is released during the complete combustion of 372 grams of cyclohexane ?

  Calculate the ph for cases in the titration

Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.160 M HClO(aq) with 0.160 M KOH(aq). The ionization constant for HClO 4.0*10-8.

  What will happen if the volume of the container is reduced

A reaction vessel contains these compounds at equilibrium. What will happen if the volume of the container is reduced by 50% at constant temperature?

  What is the concentration of the final solution

A stock solution of NaCl is made taking 150.2g in enough water to make 200.0ml. A 10.00 ml sample of this stock solution is diluted to 250.0 ml.

  Determine the enthalpy change for the reaction

Determine the enthalpy change for the reaction. 2NO2 (g) -> 2NO(g) + O2(g) These are the given equations: NO + O3 -> NO2 + 02 DeltaH = -198.9 kJ / mol O3 -> (3/2)O2 DeltaH = -142.3 kJ/mol

  How many moles of ions are in the solution

a solution is prepared by dissolving 20.0 g of NaI in enoug water tomake 300.mL of solution How many moles of ions are in 25.mL of thesolution?

  What is the calorimeter constant

A 93.7 g (5.20 mole) sample of water is heated to exactly 94.4 celsius. It is then added to 90.1 g (5.00 mole) of water at 22.5 celsius in a styrofoam cup calorimeter.

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