Explain what is the dopamine concentration

Assignment Help Chemistry
Reference no: EM13274039

An unknown sample of dopamine gave a current of 34.6 nA in an electrochemical analysis. Then 2.00 mL of solution containing 0.0156 M dopamine was mixed with 90.0 mL of unknown, and the mixture was diluted to 100.0 mL in volumetric flask. The signal from the new solution was 58.4 nA. What is the dopamine concentration in the unknown sample?

Reference no: EM13274039

Questions Cloud

What is the current market price of the stock : Stag Corp will pay dividends of $4.75, $5.25, $5.75, and $7 for the next four years. Thereafter the company expects its growth rate to be at a constant of 7 percent. If the required rate of return is 15 percent, what is the current market price of..
Explain what is the heat energy change for the in kcal : What is the heat energy change for this in kcal. Specific heat of h2o 1.00cal/gC. How many mols of cacl2 is this. How much heat energy per mol. answer in kilocalories
What is the irr of each alternative : what is the present value of costs of each alternative? Round your answers to the nearest dollar, if necessary. Enter your answers as a whole number. For example, do not enter 1,000,000 as 1 million.
What must be relation between a and b in order that evanish : Two infinitely long coaxial cylindrical surfaces, r = a and r= b (b > a), carry surface charge densities Dsa and Dsb,respectively. (a) Determine the electric field intensity everywhere. (b) What must be the relation between a and b in order that Eva..
Explain what is the dopamine concentration : Then 2.00 mL of solution containing 0.0156 M dopamine was mixed with 90.0 mL of unknown, and the mixture was diluted to 100.0 mL in volumetric flask. The signal from the new solution was 58.4 nA. What is the dopamine concentration in the unknown s..
What are the firms current capital structure weights : what are the firm's current capital structure weights for equity and debt respectively?
Find formula for the electric field intensity in the region : a)solve Laplace's equation in the dielectric region between the inner and outer conductors to find the potential V(r) in the region a
What percentage of the ice remains solid : If you mix 2.5g of 100 degree celcius steam with 60g of 0 degree celcius ice. what percentage of the ice remains solid
Explain a mixture containing nm iodoacetone : A mixture containing 80.0 nM iodoacetone (designated A) and 64.0 nM p-dichlorobenzene (designated B) gave the relative detector response (peak area of A)/(peak area of B) = 0.71 in a chromatography experiment.

Reviews

Write a Review

Chemistry Questions & Answers

  Inherent flaw in the drying procedure for the gravimetric

There is an inherent flaw in the drying procedure for the gravimetric determination that causes the measured mass of BaSO4 to be erroneously high

  State a detailed scheme utilizing extractions

Outline a detailed scheme utilizing extractions that he can use to separate the mixture back into the pure components before the professor finds out.

  Explain the structure of hxwo3 could contain h ions or oh

The structure of HxWO3 could contain H+ ions or OH- ions. Which do you think is more likely? Why?

  Explain what types differences in the h-nmr spectra

What types differences in the H-NMR spectra of starting material and product do you expect to see camphor, borneol

  The pressure is changed and the temperature remains constant

a given mass of neon gas has a volume of 25.0 liters at a pressure of .75 atm. if the pressure is changed to 300.0 torr and the temperature remains constant , what will the volume of neon be

  Compute the work in joules when water vaporizes

Calculate the work in Joules when 2.5 mols of water vaporizes at 1 atmosphere pressure and 25 degrees C. The work is done in pushing back the atmosphere.

  State what is the greatest pressure

What is the greatest pressure if 800 kPa is increased in volume from 1.75L to 3.00L and temp is increase from 65 degrees C

  State the equilibrium constant for transformation of carbon

What is the value of the equilibrium constant for transformation of carbon from graphite to diamond at 810.0 C?

  Explain how does the law of definite proportions help

How does the law of definite proportions help to distinguish between a compound of certain elements

  What is the final temperature of the water

If 8.00 kJ of heat are added to 200. g of water at 20.0 C, what is the final temperature of the water?

  What is the freezing point of a solution

What is the freezing point of a solution of aluminum chloride that contains 42.0 g AlCl3 dissolved in 530. g of water?

  Explain analysis of pairs of compounds

As a separation and detection method, would TLC or paper chromatography yield better results in the analysis of each of the following pairs of compounds?

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