Calculate the mass percent (m/m) of a solution containing 15.5 g of Na2SO4 and 75.5 g H2 How many milliliters of a 12% (v/v) propyl alcohol solution would you need to obtain 4.5 mL of propyl alcohol? How many liters of a 12% (m/v) KOH solution would you need to obtain 86.0 g KOH? What is the molarity of a solution containing 8.0 g of NaOH in 400. mL of NaOH solution? How many grams of solute are in each of the following?5 L of 3.0 M Al(NO3)3 solution 75 mL of a 0.50 M C6H12O6 solution Calculate the final concentration when water is added to prepare each of the following:0 mL of a 0.200 M NaBr solution is diluted to 50.0 mL 0 mL of a 12% (m/v) K2SO4 solution is diluted to 40.0 mL What is the initial volume, in mL, needed to prepare each of the following solutions?250 mL of 3.0% (m/v) HCl from 10.0% (m/v) HCl mL of 2.00 M NaOH from 6.00 M NaOH

NOTE: Since you have asked multiple questions, we will solve the first question for you. If you want any specific question to be solved then please specify the question number or post only that question. Mass percent of a solution is the percentage of mass of solute in the mass of whole solution. It is given by the equation: Mass % = Mass of soluteMass of solution×100% ………………(1)Mass of solute (Na2SO4) = 15.5 g Mass of solvent (H2) = 75.5 g Therefore mass of solution = 15.5 g + 75.5 g = 91 g Hence from equation (1):Mass % = 15.5 g91 g × 100 % = 17.033 % Mass % of solution is 17.033%

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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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Calculate the mass percent (m/m) of a solution containing 15.5 g of Na₂SO₄ and 75.5 g H₂

How many milliliters of a 12% (v/v) propyl alcohol solution would you need to obtain 4.5 mL of propyl alcohol?

How many liters of a 12% (m/v) KOH solution would you need to obtain 86.0 g KOH?

What is the molarity of a solution containing 8.0 g of NaOH in 400. mL of NaOH solution?

How many grams of solute are in each of the following?
1. 5 L of 3.0 M Al(NO₃)₃ solution

75 mL of a 0.50 M C₆H₁₂O₆ solution

Calculate the final concentration when water is added to prepare each of the following:
1. 0 mL of a 0.200 M NaBr solution is diluted to 50.0 mL

0 mL of a 12% (m/v) K₂SO₄ solution is diluted to 40.0 mL

What is the initial volume, in mL, needed to prepare each of the following solutions?
1. 250 mL of 3.0% (m/v) HCl from 10.0% (m/v) HCl

mL of 2.00 M NaOH from 6.00 M NaOH

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