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QUESTION 8 How many grams of KCI do you need to make 450ml of a 0.5M Tris, 500mM KCI 10x stock solution? (MW tris = 121.1g/mole, MW KCI =74.6g/mole) [round to the nearest tenths place, record your answer as a number (gram units are supplies in the question)] QUESTION 9 Using the stock solution from the previous question, what is the mM concentration of the KCl in the working solution? [record your answer as a number only (mM units are supplied in the question)]

QUESTION 8 How many grams of KCI do you need to make 450ml of a 0.5M Tris, 500mM KCI 10x stock solution? (MW tris = 121.1g/mole, MW KCI =74.6g/mole) [round to the nearest tenths place, record your answer as a number (gram units are supplies in the question)] QUESTION 9 Using the stock solution from the previous question, what is the mM concentration of the KCl in the working solution? [record your answer as a number only (mM units are supplied in the question)]

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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QUESTION 8 How many grams of KCI do you need to make 450ml of a 0.5M Tris, 500mM KCI 10x stock solution? (MW tris = 121.1g/mole, MW KCI =74.6g/mole) [round to the nearest tenths place, record your answer as a number (gram units are supplies in the question)] QUESTION 9 Using the stock solution from the previous question, what is the mM concentration of the KCl in the working solution? [record your answer as a number only (mM units are supplied in the question)]
Transcribed Image Text:QUESTION 8 How many grams of KCI do you need to make 450ml of a 0.5M Tris, 500mM KCI 10x stock solution? (MW tris = 121.1g/mole, MW KCI =74.6g/mole) [round to the nearest tenths place, record your answer as a number (gram units are supplies in the question)] QUESTION 9 Using the stock solution from the previous question, what is the mM concentration of the KCl in the working solution? [record your answer as a number only (mM units are supplied in the question)]
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