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1. Calculate a) A solution contains 118.5 g KI per liter solution. Calculate the concentration in % w/v and % w/w. (Given the density of the solution at 25 OC is 1.078 g/mL). b) Methanol, CH3OH (32.0 g/mol) has a density of 0.79 g/mL. If 54.0 mL methanol is added with water to a volume of 500.0 mL, calculate the concentration of the methanol solution in a) percent v/v b) percent w/v c) molarity

1. Calculate a) A solution contains 118.5 g KI per liter solution. Calculate the concentration in % w/v and % w/w. (Given the density of the solution at 25 OC is 1.078 g/mL). b) Methanol, CH3OH (32.0 g/mol) has a density of 0.79 g/mL. If 54.0 mL methanol is added with water to a volume of 500.0 mL, calculate the concentration of the methanol solution in a) percent v/v b) percent w/v c) molarity

Fundamentals Of Analytical Chemistry
Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter4: Calculations Used In Analytical Chemistry
Section: Chapter Questions
Problem 4.15QAP
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1. Calculate a) A solution contains 118.5 g KI per liter solution. Calculate the concentration in % w/v and % w/w. (Given the density of the solution at 25 0C is 1.078 g/mL). b) Methanol, CH3OH (32.0 g/mol) has a density of 0.79 g/mL. If 54.0 mL methanol is added with water to a volume of 500.0 mL, calculate the concentration of the methanol solution in a) percent v/v b) percent w/v C) molarity
Transcribed Image Text:1. Calculate a) A solution contains 118.5 g KI per liter solution. Calculate the concentration in % w/v and % w/w. (Given the density of the solution at 25 0C is 1.078 g/mL). b) Methanol, CH3OH (32.0 g/mol) has a density of 0.79 g/mL. If 54.0 mL methanol is added with water to a volume of 500.0 mL, calculate the concentration of the methanol solution in a) percent v/v b) percent w/v C) molarity
14. What is the mass in milligrams of solute in: a) 500 mmol of Mg0. b) 2.92 L of 4.76 x 10-3 M H202. c) 3.50 L of a solution that contains 21.7 ppm of SnCl2. d) 587 ml of a solution contains 3.74 ppm of Pb(NO3)2, While, calculate mass in grams of solute in: e) 450 mL of 0.164 M KNO3. f) 27.0 mL of 8.75 x 10-4 M benzoic acid (122 g/mol). 2021.10.13 17:48
Transcribed Image Text:14. What is the mass in milligrams of solute in: a) 500 mmol of Mg0. b) 2.92 L of 4.76 x 10-3 M H202. c) 3.50 L of a solution that contains 21.7 ppm of SnCl2. d) 587 ml of a solution contains 3.74 ppm of Pb(NO3)2, While, calculate mass in grams of solute in: e) 450 mL of 0.164 M KNO3. f) 27.0 mL of 8.75 x 10-4 M benzoic acid (122 g/mol). 2021.10.13 17:48
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