(PART A) Calculate the mass percent of a solution containing 15.0 gg of Na2SO4Na2SO4 and 83.5 gg of H2OH2O. Mass Percent = _____________________ % (m/m) (PART B) What is the molarity of a solution containing 14.4 gg of KClKCl in 254 mLmL of solution? Express the concentration in molarity to three significant figures. Molarity = _____________________________ (PART C) You need 400. mLmL of a 6.0 %% (m/vm/v) glucose solution. If you have a 25 %% (m/vm/v) glucose solution on hand, how many milliliters of this solution do you need? Express your answer to two significant figures and include the appropriate units.
(PART A) Calculate the mass percent of a solution containing 15.0 gg of Na2SO4Na2SO4 and 83.5 gg of H2OH2O. Mass Percent = _____________________ % (m/m) (PART B) What is the molarity of a solution containing 14.4 gg of KClKCl in 254 mLmL of solution? Express the concentration in molarity to three significant figures. Molarity = _____________________________ (PART C) You need 400. mLmL of a 6.0 %% (m/vm/v) glucose solution. If you have a 25 %% (m/vm/v) glucose solution on hand, how many milliliters of this solution do you need? Express your answer to two significant figures and include the appropriate units.
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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(PART A)
Calculate the mass percent of a solution containing 15.0 gg of Na2SO4Na2SO4 and 83.5 gg of H2OH2O.
Mass Percent = _____________________ % (m/m)
(PART B)
What is the molarity of a solution containing 14.4 gg of KClKCl in 254 mLmL of solution? Express the concentration in molarity to three significant figures.
Molarity = _____________________________
(PART C)
You need 400. mLmL of a 6.0 %% (m/vm/v) glucose solution. If you have a 25 %% (m/vm/v) glucose solution on hand, how many milliliters of this solution do you need?
Express your answer to two significant figures and include the appropriate units.
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