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Week 10 Lab 4

Week 10 Lab 4

Q Lab Report 4: Electrolytes, Water, Acids, and Bases Lab 15: Experiment 1 – Breathing and Acid-Base Balance (50 points) © 2013 eScience Labs, LLC. All rights reserved. Instructions: Enter your experimental data into Table 1 below and answer the question. Take a picture of your experiment after your last measurement and include your photograph in your lab report. Table 1: Color Change of Sodium Bicarbonate Solution With and Without the Addition of CO2 Beaker Starting Color Final Color Time to Change to Final Color 1 2 1. Was the time required to change the solution different for the two beakers? Why or why not? Attach Image 1: Breathing and Acid-Base Balance Experiment Lab 15: Experiment 2 – Urine pH (50 points) © 2013 eScience Labs, LLC. All rights reserved. Instructions: Answer the questions below and take a picture of your experiment after your last measurement and include your photograph in your lab report. 1. What was the pH of the urine? Is this normal? 2. Describe two factors that can affect urine pH. Attach Image 2: Urine pH Experiment

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Lab Report 4: Electrolytes, Water, Acids, and Bases Lab 15: Experiment 1 – Breathing and Acid-Base Balance (50 points) © 2013 eScience Labs, LLC. All rights reserved. Instructions: Enter your experimental data into Table 1 below and answer the question. Take a picture of your experiment after your last measurement and include your photograph in your lab report. Table 1: Color Change of Sodium Bicarbonate Solution With and Without the Addition of CO2 Beaker Starting Color Final Color Time to Change to Final Color 1 Pink Faint Pink No Change 2 Pink Faint Pink No Change 1. Was the time required to change the solution different for the two beakers? Why or why not? I blew into the straw for 5 minutes each. I noticed the solution getting lighter but it never turned yellow. I am on a medication, I do not know if that affects the results. Attach Image 1: Breathing and Acid-Base Balance Experiment