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A student prepares a solution by dissolving 15.0 mL ethanol (C2H5OH) in water to make a 300.0 mL solution. Calculate the concentration (molarity) of ethanol in the solution. (density = 0.789 g/mL)

A student prepares a solution by dissolving 15.0 mL ethanol (C2H5OH) in water to make a 300.0 mL solution. Calculate the concentration (molarity) of ethanol in the solution. (density = 0.789 g/mL)

Introduction to General, Organic and Biochemistry
Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter4: Chemical Reactions
Section: Chapter Questions
Problem 4.103P: 4-103 Caffeine, a central nervous system stimulant, has the molecular formula C8H10N402. (a) How...
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Activity 1.5: Perform the following problems related to stoichiometry equation. 

  1. A student prepares a solution by dissolving 15.0 mL ethanol (C2H5OH) in water to make a 300.0 mL solution. Calculate the concentration (molarity) of ethanol in the solution. (density = 0.789 g/mL)
What I Have Learned Activity 1.5: Perform the following problems related to stoichiometry equation. Choose only 2 problems to solve. 1. A certain laboratory procedure requires 0.025 M H2SO. How many milliliters of 1.10 M H;SO, should be diluted in water to prepare 0.500 L of 0.025 M H;SO.? 2. A sample of saturated NaNOs (aa) is 10.9 M at 25 degrees Celcius. How many grams of NaNO; are in 230 mL of this solution at the same temperature? 3. A beaker of 175 mL of 0.950 M NaCl is left uncovered for a period of time. If, by the end of the time period, the volume of solution in the beaker has decreased to 137 mL (the volume loss is due to water evaporation), what is the resulting concentration of the solution? 4. A student prepares a solution by dissolving 15.0 mL ethanol (C,H;OH) in water to make a 300.0 mL solution. Calculate the concentration (molarity) of ethanol in the solution. (density = 0.789 g/mL)
Transcribed Image Text:What I Have Learned Activity 1.5: Perform the following problems related to stoichiometry equation. Choose only 2 problems to solve. 1. A certain laboratory procedure requires 0.025 M H2SO. How many milliliters of 1.10 M H;SO, should be diluted in water to prepare 0.500 L of 0.025 M H;SO.? 2. A sample of saturated NaNOs (aa) is 10.9 M at 25 degrees Celcius. How many grams of NaNO; are in 230 mL of this solution at the same temperature? 3. A beaker of 175 mL of 0.950 M NaCl is left uncovered for a period of time. If, by the end of the time period, the volume of solution in the beaker has decreased to 137 mL (the volume loss is due to water evaporation), what is the resulting concentration of the solution? 4. A student prepares a solution by dissolving 15.0 mL ethanol (C,H;OH) in water to make a 300.0 mL solution. Calculate the concentration (molarity) of ethanol in the solution. (density = 0.789 g/mL)
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