A series of six solutions was prepared at the given concentrations.SampleAB CDEFConcentration (mM)50 100 | 150 | 200 300 400The absorbance of each solution was then measured using a colorimeter.SampleABCDEFAbsorbance0.250.500.751.001.502.00What is the concentration of the solution with an absorbance of 1.50?C =mM What is the absorbance of a 50 mM solution?A =As the concentration of the solution increases, the absorbance of the solutionstays the same.increases.decreases.

According to Beer Lambert law , the absorbance of the solution is directly proportional to the…

Answered: What is the absorbance of a 50 mM…

What is the absorbance of a 50 mM solution? A = As the concentration of the solution increases, the absorbance of the solution stays the same. increases. decreases.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Related questions

Q: A neutral solution contains more hydroxide ions than hydrogen ions. True or false

A: Given statement, A neutral solution contains more hydroxide ions than hydrogen ions.

Q: pH of the solution that results when 20.0 mL of 0.175 45.0 mL with distilled water.

A: Givrn, Ka(Formic acid) = 3.74 M1 = 0.1750 M Volume (V1) = 20.0 mL V2 = 45.0 mL Using dilution law,…

Q: For 1.015 g of KHP, how many millilters of 0.2 M sodium hydroxide (NaOH) is needed to reach the…

A: Given :- mass of KHP = 1.015 g molarity of NaOH solution = 0.2 M To calculate :- volume of NaOH…

Q: What is the [H30*] in a 175 mL sample of 0.0629 M KOH(aq)? 9.08 x 10-13 mol L-1 O 2.78 x 10-14 mol…

Q: 101. The pH indicator phenol red turns pink or magenta when the pH of the medium becomes more (basic…

A: Note: Since you have posted a question with multiple subparts, we will solve the first three…

Q: A 0.21-mol sample of a diprotic acid, H2A, is dissolved in 250 mL of water. The Ka1 of this acid is…

A: Given that: Moles of diprotic acid, H2A = 0.21 mol Volume = 250 mL = 0.250 L (use 1 L = 1000 mL)…

Q: In a 2.0 mM aqueous solution of 4-chlorobutanoic acid (C3H6CICO₂H), what is the percentage of…

A: The given values in the problem are the concentration of the 4-chlorobutanoic acid solution, which…

Q: You have a buffer solution containing an acid, HA. The pKa of HA is 7.20 and its conjugate base is…

A: Here we are required to find the pH of the buffer solution.

Q: 3. A student titrates 20.0 ml of an acid solution with 0.500 M NaOH and gets the graph shown below.…

Q: After acing chemistry&121, you get a job in the chemistry lab and must prepare a nitric acid…

A: Interpretation - To determine the milliliters of stock solution and also find the pH of the new…

Q: To determine the identity of a compound, a student dissolved 0.72 g of the compound in enough water…

A: First we need to check the initial solution by initial value of pH. Then nature of titrant which is…

Q: PART B. Using pH Meters to Determine pH Compare the pH and color (observed with bromocresol green)…

A: A chemical equation in which the electrolytes of aqueous solution are represented as dissociated…

Q: Part A Calculate the pH of a solution containing a caffeine concentration of 415 mg/L. Express your…

Q: Table 2. pH Measurement of various substances using paper indicators and pH meter and the…

A: The pH of a substance can be given as follows; pH = -log [H+] ------ (1) Thus it is defined as the…

Q: Question: calculate the pH of 50.0 mL H20 + 1.00 mL 0.6 M NaOH (below is the data to answer the…

A: Formula

Q: 6. Convert the following pH or pOH values to [H*] or [OH-] concentration Example: pH = 7.0, [H] =…

A: The above question is based on the calculation of [H+] value. The value of pH or pOH is given and…

Q: 6. Convert the following pH or pOH values to [H*] or [OH] concentration Example: pH = 7.0, [H*] =…

Q: Determine [OH"] in a solution where [Ca(OH)2] = 0.0204 M. [OH] =[ M

A: Hello. Since the question contains multiple parts, the first part is solved. In case the solution…

Q: . Lime water has a hydronium ion content of 3.98 x 10-13. Find its pH.

Q: pH=pKa, and the value for the pKa. 15.00 14.00 13.00 12.00 11.00 10.00 9.00 8.00 pH 7.00 6.00 5.00…

A: Given Data Volume of base = 10.00mL Concentration of base = 0.50 M To determine the molarity of…

Q: 1) A 45 mL sample of 0.175 M KOH is titrated with 0.200 M HI. a. Find the initial pH of the 0.175 M…

A: 'Since you have posted a question with multiple subparts, we will provide the solution only to the…

Q: While different sources state different values, most sources identify the same color changes at the…

A: An indicator is a weak acid. The Bronsted-Lowry equation for indicator is given as:HIn (aq) + H2O…

Q: Calculate the pH of the solution after 500 mL of the titrant have been added. Express your answer to…

A: The concentration of the acetic acid is Ca = 0.010 M,The volume of the the acetic acid is Va = 500…

Q: Sulfuric acid is acidic, but what would be the pH, the sulfuric acid concentration [H2SO4]eq,…

Q: The pH scale shows the availability of reactive hydrogen ions (H+) in a liquid. The scale is…

A: The pH scale is a measurement of how acidic or basic a solution is as determined by the activity of…

Q: Calculate [OH], pOH, and pH for each of the following. a. 0.00039 M Ca(OH)2 [OH]= рон pH = M b. a…

A: Step 1:Calculate [OH-], pOH, and pH : a. 0.00039 M Ca(OH)₂ : Calculating [OH⁻] : Ca(OH)₂ dissociates…

Q: Fill in the table below and answer the questions using these formulas. pH = -log [H*] pOH = -log…

A: # The ionic product of water in we used to calculate the hydrogen ion concentration or hydroxide Ion…

Q: Kw = 10-14 What is the pH of a solution with hydroxide ion concentration equal to 10-4 M?

A: Given, Kw = 10-14 [OH-] = 10-4M Formula Used, pOH = -log [OH-] pH + pOH = 14

Q: For this homework assignment I’ve been struggling on what was right and what was wrong for this and…

A: The objective of this question os to show the DNA presence is partially correct. Fungi have a true…

Q: What is the hydronium ion concentration of an acid rain sample that has a pH of 3.15? A) 1.41 x…

A: The acid rain sample has a pH = 3.15, which shows that it has a strong acid. Here, the hydronium ion…

Q: A child comes to a see a doctor and the doctor diagnosis the patient with hyperacidity or gastritis.…

A: Ans:- a) Composition of acid in the stomach- Hydrochloric acid HCl Milk of magnesia - magnesium…

Q: Question: pH pf 50.0 mL H20 + 1.00 mL 0.6 M HCl (below is the data to answer the answer)…

A: Formula pH = -log [H+] Molarity = Moles of soluteL of solution Moles = Molarity x L of solution

Q: your EDTA stock solution has an initial pH of 8.0. If you dilute the stock solution with water, do…

A: EDTA stock solution: initial pH = 8The pH of a solution can change when it is diluted, but whether…

Q: What is the pH of a bleach solution that has a [OH-] = 1.0 x 10-³ M?

A: The concentration of the hydroxide ion iswe have to calculate the pH of the solution that is

Q: A solution of 0.46 M NaOH is used to titrate 40 mL of unknown concentration HCl(aq) . If 38 mL of…

A: Given, Concentration of 38 mL NaOH…

Q: (Q20) In the hydrosulfuric acid solution described in Q19, what is the equilibrium concentration of…

Question

A series of six solutions was prepared at the given concentrations.
Sample
AB C
D
E
F
Concentration (mM)
50 100 | 150 | 200 300 400
The absorbance of each solution was then measured using a colorimeter.
Sample
A
B
C
D
E
F
Absorbance
0.25
0.50
0.75
1.00
1.50
2.00
What is the concentration of the solution with an absorbance of 1.50?
C =
mM

What is the absorbance of a 50 mM solution?
A =
As the concentration of the solution increases, the absorbance of the solution
stays the same.
increases.
decreases.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Similar questions

Question: Out of the ions listen which are amphoteric? In each case explain how you determined that a cation was ampotheric. Cu2+ Ni2+ Co2+ Zn2+ Sn2+ Note: Copper, nickle and cobalt reacted with amonia, KSCN, sodium oxalate, tartrate, and then NaOH was added after. Zinc and tin reacted with ammonia. Zinc and tin reacted with NaOH as well.
A scientist tests the water in a local pond and finds that it has a pH of 7.9. Based on this evidence, which statement about the pond water is true?
Where would you identify the equivalence points on this graph?
1
Choose the CORRECT statement(s) regarding 0.0010M NH3 solution. [Kb NHs= 1.8 x 10-5] * The concentration of NH is 4.24 x 10-4 M The concentration of Ht is 7.46 x 10-11 M pOH of the solution is 10.13 O pH of the solution is 3.8
Choose the correct answer for the pH of a solution containing 4.0 x 10-5 M of [OH]. 9.6 6.3 x 10-6 2.5 x 10-10 4.4
Based on the vinegar titration curve, what is the initial pH of the vinegar solution? Based on the vinegar titration curve, what is the pKa of vinegar?
An engineer wants to determine whether a certain pH meter is working correctly. She uses the meter to measure the pH in 14 neutral substances (pH = 7.0) and obtains the data shown in the following table. 7.01 7.04 6.97 7.00 6.99 6.97 7.04 7.04 7.01 7.00 6.99 7.04 7.07 6.97 Is there sufficient evidence that the meter is not correctly measuring the pH?
1. [H] = 10⁹.3 moles/L; pH = ? 2. [H] 10-13.23 moles/L; pH = ? = 3. [H] = 0.000001 moles/L; pH = ? 4. [H*] = 0.00000302 moles/L; pH = ? 5. [H] = 9.1 x 107 moles/L; pH = ? 6. [H] = 0.05μE/L; pH = ?
Determine the pH of a weak acid, HA, that has a concentration of 0.015 M and a Ka = 0.00005. Enter your answer to two places after the decimal.
Volume NaOH (added). pH of analyte 0.00 mL _1.00 10.00 mL 1.23 20.00 mL _1.54 30.00 mL _2.20 _33.33__ mL (at equivalence point) _5.22 35.00 mL _11.46 40.00 mL _12.04_ 9. Sketch your pH curve below. Place the pH on the y-axis and volume of NaOH added on the x-axis.
Calculate the pH of a solution in which one normal adult dose of aspirin (670 mg ) is dissolved in 10 ounces of water. Express your answer to one decimal place. pH = %3D