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Provide the key term that corresponds to each of the following definitions. (a) a procedure for obtaining the mass of a sample directly by first placing a container on an electronic balance and setting the balance to zero; second, add a sample to the container and record the mass of sample directly (b) a procedure for delivering a measured volume of solution using a buret (c) the clear lens at the surface of a liquid inside a buret (d) to rinse a pipet or buret with a sample liquid to avoid dilution by water on the inside surface a substance that undergoes a color change according to the pH of a solution

Provide the key term that corresponds to each of the following definitions. (a) a procedure for obtaining the mass of a sample directly by first placing a container on an electronic balance and setting the balance to zero; second, add a sample to the container and record the mass of sample directly (b) a procedure for delivering a measured volume of solution using a buret (c) the clear lens at the surface of a liquid inside a buret (d) to rinse a pipet or buret with a sample liquid to avoid dilution by water on the inside surface a substance that undergoes a color change according to the pH of a solution

Chemistry
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...
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1. Provide the key term that corresponds to each of the following definitions. (a) a procedure for obtaining the mass of a sample directly by first placing a container on an electronic balance and setting the balance to zero; second, add a sample to the container and record the mass of sample directly (b) a procedure for delivering a measured volume of solution using a buret (c) the clear lens at the surface of a liquid inside a buret (d) to rinse a pipet or buret with a sample liquid to avoid dilution by water on the inside surface (e) a substance that undergoes a color change according to the pH of a solution (f) the stage in a titration when the indicator changes color (g) a solution whose concentration has been established precisely (h) an expression that relates the moles of solut dissolved in liter of solution (i) an expression that relates the mass of solute dissolved in 100 grams of solution Key Terms: condition, endpoint, indicator, m/m % concentration, meniscus, molar concentration, standard solution, tare weighing, titration 2. Observe and record the following buret readings. (a) (b) 3. How can you tell that you are nearing the endpoint in a titration? Answers in Appendix J 31 32 4. What volume of NaOH is required to permanently change the indicator at the endpoint?
Transcribed Image Text:1. Provide the key term that corresponds to each of the following definitions. (a) a procedure for obtaining the mass of a sample directly by first placing a container on an electronic balance and setting the balance to zero; second, add a sample to the container and record the mass of sample directly (b) a procedure for delivering a measured volume of solution using a buret (c) the clear lens at the surface of a liquid inside a buret (d) to rinse a pipet or buret with a sample liquid to avoid dilution by water on the inside surface (e) a substance that undergoes a color change according to the pH of a solution (f) the stage in a titration when the indicator changes color (g) a solution whose concentration has been established precisely (h) an expression that relates the moles of solut dissolved in liter of solution (i) an expression that relates the mass of solute dissolved in 100 grams of solution Key Terms: condition, endpoint, indicator, m/m % concentration, meniscus, molar concentration, standard solution, tare weighing, titration 2. Observe and record the following buret readings. (a) (b) 3. How can you tell that you are nearing the endpoint in a titration? Answers in Appendix J 31 32 4. What volume of NaOH is required to permanently change the indicator at the endpoint?
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