Calibration curve for absorbance versus the concentration

Assignment Help Chemistry
Reference no: EM13193432

A calibration curve for absorbance versus the concentration of the chemical indicator crystal violet is found to have a slope of 19. If a sample of unknown concentration has an absorbance of 1.32, what is the concentration in the unknown sample?

Reference no: EM13193432

Questions Cloud

Define what is the molarity of the acid solution : 4388 M KOH solution reacts with 50.60mL of CH3COOH solution, what is the molarity of the acid solution?
Understand the impact of identity theft : Explain in what ways you are susceptible to Identity Theft as a result of how you handle your information and go about your daily routines and explain how you can recognize whether or not your identity or some aspect of it has been stolen. What sho..
State the equation for the complete combustion of heptane : Write and balance the equation for the complete combustion of heptane, C7H16. You do not need to include any phase symbols or energy
For what value of x is the perimeter largest : A rectangle is inscribed in a circle of radius 2. Let P= (x,y) be the point in quadrant 1 that is a vertex of the rectangle and is on the circle.
Calibration curve for absorbance versus the concentration : A calibration curve for absorbance versus the concentration of the chemical indicator crystal violet is found to have a slope of 19. If a sample of unknown concentration has an absorbance of 1.32
What is the length of the diagonal : The width of a rectangle is 9 less than twice its length. If the area of the rectangle is 173 cm, what is the length of the diagonal?
State the speed just before striking the ground : what would its speed be just before striking the ground? Ignore the effects of air resistance
Find the amount of work to fill up the trough : First give the integrand expressed in terms of h, the terms of the height in feet from the bottom of the trough.
Find the height of a pole : At a certain time of day, the angle of elevation of the sun is 64°. To the nearest foot, find the height of a pole whose shadow at that time is 13 feet long.

Reviews

Write a Review

Chemistry Questions & Answers

  Compute the number of tons of carbon dioxide by the plant

calculate the number of tons of carbon dioxide and sulfur dioxide produced by the plant during the year. (b) If 55% of SO2 could be removed by reaction with powdered CaO to form CaSO3, how many tons of CaSO3 would be produced.

  How many moles of oxygen are produced

Two moles of potassium chloride and three moles of oxygen are produced from the decomposition of two moles of potassium chlorate, KClO3(s). Write the balanced equation. How many moles of oxygen are produced from 12 moles of potassium chlorate?

  Calculation of environmental issues

Based on Liquid Chromatography, how can I changed if the capacity value and selectivity value and resolution value is not in the proper range?

  What is the molecular formula

0.0010 mg of H, 0.0116 mg of C, and 0.0310 mg of O. It was also determined that the unknown compound had a molecular weight of 90.0 g/mol.

  State what are the partial pressures of the gases in mmhg

Standard Atmos. Pressure is 90.0 atm. What are the Partial Pressures of the Gases in mmHg?

  Nitrogen dioxide and water react to produce nitric acid

Nitrogen dioxide and water react to produce nitric acid HNO3, and nitrogen oxide: 3NO2(g) + H2O(l) -------- 2HNO3(aq) + NO(g)

  What a mass of glucose was produced

In a controlled greenhouse at 30.0C and 1.0 atm a crop of seeding tomato plants was found to consume 380 L of carbon dioxide gas during photosynthesis. Assuming 100% yield what a mass of glucose was produced for the growing plants?

  State what should be the most metallic element

Where on the modern periodic table would you probably find an element that is a dense gas at room temperature? EXPLAIN 3) What should be the most metallic element?

  What was the level of water in the graduated cylinder

The piece of iron with a mass 102.9g was submerged in a graduated cylinder filled with water. The initial level of water was 20.0 ml. The density of iron is 7.86 g/ml.

  What volume will the gas occupy

a gas has a volume of 95 mL at a pressure of 930 torr. what volume will the gas occupy if the pressure is increased to 970 torr?

  Calculate the number of molecules in 3 moles of co2

Calculate the mass of Sodium Nitrate required to prepare 50cm3 of 0.2 moll-1 solution

  How many iodide ions does it contain

An ionic compound forms when aluminum (Z = 13) reacts with iodine (Z = 53). If a sample of the compound contains 1.23 x 1019 aluminum ions.

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