Explain how many mg of ascorbic acid

Assignment Help Chemistry
Reference no: EM13264638

A student standardizes his/her DCP solution. S/he prepares a vitamin C solution that contains 53.9 mg vitamin C in 100.00 mL. S/he takes a 10.00 mL aliquot, adds water and buffer, and then titrates with 36.5 mL DCP to reach the end point. S/he next titrates an unknown sample with this DCP solution and reaches the end point at 40.5 mL. How many mg of ascorbic acid were present in the unknown sample

Reference no: EM13264638

Questions Cloud

Find the angular velocity of the cockroach-disk system : A cockroach of mass m lies on the rim of a uniform disk of mass 3 m that can rotate freely about its center like a merry-go-round. find the angular velocity of the cockroach-disk system
A data string of no. of bytes : A data string of no. of bytes (to be specified in cx register) is located from the starting address 0500.This data string is to be converted to its equivalent 2,s complement form and the result is to be stored from 0600 onwards
Find the amount of the net new equity raised during the year : A firm has net income for the year of $32,600. at the beginning of the year, the firm had common stock of $88,000, find the amount of the net new equity raised during the year
Explain concept of differential encoding for bpsk modulation : a) What is the key difference between coherent and non-coherent demodulation b) Explain the concept of differential encoding for BPSK modulation.
Explain how many mg of ascorbic acid : next titrates an unknown sample with this DCP solution and reaches the end point at 40.5 mL. How many mg of ascorbic acid were present in the unknown sample
How many patient days does the hospital need to break even : Cedars Hospital has average revenue of $180 per patient day. Variable costs are $45 per patient day; fixed costs total $4,320,000 per year.
Design a circuit to produce vout as the most negative : Six input voltage sources (V1, V2, V3, V4, V5, V6) have a +/- 1 V range. Design a circuit to produce Vout as the most negative (smallest) of (V1 + 2V2), (V3 - 2V4), (-V5 - 2V6). Your design should specify exact components. Note that diode drop can..
Determine the angular acceleration of the pulley : A 3.00kg stone is tied to a thin, light wire wrapped around the outer edge of the uniform 8.00kg cylindrical pulley, Find the angular acceleration of the pulley
Explain aroma the human nose detects in the smallest amount : Vanillin is the substance whose aroma the human nose detects in the smallest amount. The threshold limit is 2.0 x 10^-11 g per liter of air. If the current price of 50.0 g of vanillin is $103 determine the cost to supply enough vanillin so that th..

Reviews

Write a Review

Chemistry Questions & Answers

  Find out the number and type of donor atoms

determine the number and type of donor atoms in the ligand. Options include: a) 4 N and 2 O, b) 2 N and 2 O, c) 4 N and 4 O, d) 2 N and 4 O

  How many moles of excess reagent are unreacted

A 500-g sample of Al2(SO4)3 is reacted with 450 g of Ca(OH)2. A total of 596 g of CaSO4 is produced. What is the limiting reagent in this reaction, and how many moles of excess reagent are unreacted?

  Explain the equilibrium concentrations

Determine the value of Kc for the following reaction if the equilibrium concentrations are as follows: [N2]eq = 3.6 M, [O2]eq = 4.1 M, [N2O]eq = 3.3 × 10-18 M.

  What is the volume of oxygen gas

What is the volume of 135 mL of oxygen gas at 113°C and 870. mm Hg if the conditions are adjusted to STP? Assume the amount of gas is held constant.

  State compounds only with symmetrical or terminal alkynes

Hydration of alkynes (via oxymercuration) gives good yields of single compounds only with symmetrical or terminal alkynes

  Describe what is the ph of a buffer solution

What is the pH of a buffer solution that is 0.211 M in lactic acid and 0.111 M in sodium lactate? The Ka of lactic acid is 1.4 × 10-4.

  State side chains and hydrogen atoms to show gly-phe-tyr

Update the backbone to properly show a tripeptide, and add side chains and hydrogen atoms to show Gly-Phe-Tyr.

  Calculate the bod

Consider a small lake, 0.4 mile across and 11 ft deep, that contains a total of 50 tons of dissolved oxygen. Calculate the BOD (i.e. calculate the amount of oxygen required to degrade the amount of organic waste given)

  What is the molarity of the solution

If 55.4 mL of BaCl2 solution is needed to precipitate all the sulfate ion in a 740 mg sample of Na2SO4, what is the molarity of the solution?

  Calculate the temperature

The normal boiling point of ether is 307.8 K. Calculate the temperature at which its vapor pressure is exactly half of that at its normal boiling point.

  What volume and mass of steam

What volume and mass of steam at 100.°C and 1.00 atm would, during condensation, release the same amount of heat as 100. cm3 of liquid water during freezing.

  Explore the effects of acid rain pre and post

Explore the effects of acid rain pre and post the 1990 Clean Air Act. Pair up and choose one of the topics listed below. One person should research and report on the damage that was being observed due to acid rain prior to 1990.

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