Food Dyes in Commercial Products Lab Report

Write the:-Module or Project number-Title of the experiment (in the manual)-Your name-Date-Course and section number2.0 ptsThis criterion is linked to a Learning OutcomeAim: State the aim of the experiment in YOUR OWN WORDS, in maximum 2-4 sentences. A clear statement of the overall purpose for performing the experiment, i.e. what is/are the goal(s) to be achieved using key details of the experiment.3.0 ptsThis criterion is linked to a Learning OutcomeMaterials: Write all the equipment and glassware needed for this project. Attention: Do not add the chemicals in this section.2.0 ptsThis criterion is linked to a Learning OutcomeChemicals/Hazards : In a TABLE, list all chemicals needed along with specific hazard information and other information necessary for the experiment.*Use the Safety Data Sheets (SDS) for this section. Look under Modules to find the Safety Data Sheet (SDS) information.*Write a summary of the hazards found in section 2 (Hazards Identification) and section 7 (Handling and Storage) for the hazard section of the table.The table should include:-Chemical Name-Chemical Formula-Chemical Weight-Physical Appearance-Hazards3.0 ptsThis criterion is linked to a Learning OutcomeMethods and Procedures: Based on the descriptions of the experiment, in your own words, design and describe the steps for the experiment. Make sure not to copy of the exact procedures from the lab manual.Use a DIAGRAM or FLOW CHART, and in your own words write a step-by-step procedure of how to carry out the experiment for this project.5.0 ptsThis criterion is linked to a Learning OutcomeCalculations : Answer the questions provided ONLY.1. What is the dilution equation? A food dye solution of Blue #2 is 5.0×10^-4M and you want to make 100 mL solution with a concentration of 3×10^-6M, how much of the stock do you need to measure out?2. If the linear equation is y = 2078x +0.2542, what is ε (molar absorptivity)? What is the concentration of a sample with an Absorbance of 0.275 assuming l =1 cm?5.0 ptsTotal Points: 20.0

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Pre-Laboratory Notebook Guidelines

The pre-lab assignment is intended to prepare students for the experiment and will need to be completed before starting the actual lab. Take a picture of your prelab and submit it to CANVAS. Make sure your writings are clear to read and the overall structure is well-organized. Check the picture visibility before submission.

Notebook Sections to Include for Each Prelab:

Title, your name, date of the experiment, course and section number, and experiment number.

 

Aim: State the aim of the experiment in your own words, usually around 2-4 sentences. A clear statement of the overall purpose for performing the experiment, i.e. what is / are the goal(s) to be achieved and what idea(s) are you to learn during the duration of the project?

 

Materials: Write all equipment or glassware with specific sizes needed. (For example: 100 mL volumetric flask)

 

 

Chemicals/Hazards: In a table, list all chemicals needed along with specific hazard information and other information necessary for the experiment (e.g., chemical name, chemical formula, molecular formula weight, physical appearance).

For example:

Chemical Name

Chemical Formula

Chemical Weight

Physical

Appearance

Specific

Hazard

Additional Notes

 

 

 

 

 

 

 

Include important safety information regarding all chemicals that may be used during the experiment. MSDS information can be found online or in the folders available in each lab.

 

Methods and Procedures: Based on the descriptions of the experiment, in your own words, design and describe the steps for the experiment. Make sure not to copy of the exact procedures from the lab manual.

It should be written in your own words in a stepwise manner (diagrams or flowchart are encouraged).

 

Calculations: Provide any calculations necessary for the lab ahead of time. For example: what is the mass in grams required to prepare 250 mL of a 0.5 M NaCl solution?

 

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