Compute the average percentage vitamin c

Assignment Help Chemistry
Reference no: EM13204797

The student prepared a KIO3 solution that was .0100 M IO3-. The student averaged 15.00mL of Na2S2O3 solution for the 3 titrations. The student weighed out .110 grams of sample for all 3 trials. The student averaged 6.40mL of Na2S2O3 for all 3 titrations.

Questions:

1. Calculate the average percentage vitamin C in the sample.

2. Calculate the number of milligrams of the unknown powder needed to make a 100mg vitamin C tablet.

Reference no: EM13204797

Questions Cloud

Find the average velocity for the time period beginning : Find the average velocity for the time period beginning when t=3 and lasting
Explain catalyzed reaction of vanillin with acetic anhydride : base catalyzed reaction of vanillin with acetic anhydride? They produce slightly different products, but how and why
What are the page numbers : At one place in your math textbook, the product of the page numbers on facing pages is 462. What are the page numbers?
How high above the ground will the pebble be : A pebble is shot upward from the top of a building 190 meters tall. If the initial speed is 40 meters per second, how high above the ground will the pebble be after 2 seconds? Round results to the nearest tenth of a meter.
Compute the average percentage vitamin c : The student weighed out .110 grams of sample for all 3 trials. The student averaged 6.40mL of Na2S2O3 for all 3 titrations.
What would be its speed at the top of its trajectory : A projectile is fired straight upward at 141m/s. How fast is it moving at the instant it reaches the top of its trajectory? Suppose instead that it were fired upward at 45 degree. What would be its speed at the top of its trajectory?
Express the length l of the rope as a function : Two poles are set a = 60 feet apart, but the point of attachment P for the rope is yet to be determined. Express the length L of the rope as a function of the distance x from P to the ground.
State a reaction takes place at a constant pressure : A reaction takes place at a constant pressure of 1.10 atm with an internal energy change of 71.5 kJ and a volume decrease of 13.6 L.
Prepare an extract of the income statement : Prepare an extract of the Income Statement to show how Gross Profit would be calculated for the year ended 31st December, under a periodic system using the First in First Out (FIFO) Valuation Method.

Reviews

Write a Review

Chemistry Questions & Answers

  Define the structure of the phosphorus ylide

Give the structure of the phosphorus ylide and carbonyl compound you might use to prepare the following alkenes

  State cyclohexanes substituted in the positions indicated

For the cyclohexanes substituted in the positions indicated, identify the substituents as either axial or equatorial in chair conformers. For example, a 1,2-cis relationship means that one substituent must be axial and one equatorial.

  What is the molar mass of the gas

A 248 mL gas sample has a mass of 0.436 g at a pressure of 753 mm Hg and a temperature of 27 degrees celcius.what is the molar mass of the gas

  What is the empirical formula

a hydrated compound has an analysis of 18.29% Ca 32.37% CI and 49.34% water. what is the empirical formula?

  State the grignard reagent containing more carbon atoms

the Grignard reagent containing more carbon atoms with the carbonyl compound containing less carbon atoms and scheme two involves the reaction of the Grignard reagent containing less carbon atoms with the carbonyl compound containing more carbon a..

  The lowest possible integers and the coefficient of water

Balance the following equation in acidic solution using the lowest possible integers and give the coefficient of water.

  Calculate the final temperature of 34ml of ethanol

Calculate the final temperature of 34mL of ethanol initially at 20celcuis upon absorption of 739 J of heat. (density of ethanol =0.789g/mL )

  State amount of energy released in lattice formation

Arrange the following ionic compounds in order of decreasing amount of energy released in lattice formation:

  Explain reaction with potassium tert-butoxide

Predict which of the compounds should undergo a more rapid reaction with potassium tert-butoxide. EXPLAIN your REASONING and give the product of the reaction?

  What is the sum of the stoichiometric coefficients

Toxic cyanide ion, CN-, can be removed from wastewater by reacting it with hypochlorite, ClO-, in aqueous basic solution. The products formed are N2(g), bicarbonate, and chloride ion. What is the sum of the stoichiometric coefficients in the corre..

  State what is the condensed structural formula of nonane

What is the condensed structural formula of nonane? b. Is it a solid, liquid, or gas at room temperature?

  State what is the empirical formula of the nitrogen hydride

nitrogen reacts with hydrogen to form 1.058mg of the hydride. What is the empirical formula of the nitrogen hydride?

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