Homework Answers
7.28 Initial Volume of NaCl solution in cylinder, (mL) Volume of NaCl solution remaining in cylinder,...
7.28 Initial Volume of NaCl solution in cylinder, (mL) Volume of NaCl solution remaining in cylinder, (mL) Volume of NaCl solution transferred to dish, (mL) Mass of dish, (g) Mass of dish and NaCl solution, (g) Mass of NaCl solution, (g) Mass of dish and dried Naci, (g) Mass of dried NaCl, (g) Density of solution, (g/mL) Percent NaCl (m/m), (%) Percent NaCl (m/v), (%) Molarity of NaCl, (moles/L) 1.78 5.50 79.25 85.75 6.50 80.95 1.70 1.18 262 309 Molarity....
77 NAME 7.28 Initial Volume of NaCl solution in cylinder, (mL) Volume of NaCl solution remaining...
77 NAME 7.28 Initial Volume of NaCl solution in cylinder, (mL) Volume of NaCl solution remaining in cylinder, (mL) Volume of NaCl solution transferred to dish, (mL) Mass of dish, (g) Mass of dish and NaCl solution, (g) 1.78 5.50 79.25 85.75 6.50 80.95 1.70 Mass of NaCl solution, (g) Mass of dish and dried Naci, Mass of dried NaCl, (g) Density of solution, (g/mL) Percent NaCl (m/m), (%) Percent NaCl (m/v), (%) Molarity of NaCl, (moles/L) Calculations: Density of...
7.28 Initial Volume of NaCl solution in cylinder, (mL) Volume of NaCl solution remaining in cylinder,...
7.28 Initial Volume of NaCl solution in cylinder, (mL) Volume of NaCl solution remaining in cylinder, (mL) Volume of NaCl solution transferred to dish, (mL) Mass of dish, (g) Mass of dish and NaCl solution, (g) Mass of NaCl solution, (g) Mass of dish and dried Naci, (g) Mass of dried NaCl, (g) Density of solution, (g/mL) Percent NaCl (m/m),() Percent NaCl (m/v), (%) Molarity of NaCl, (moles/L) 1.78 5.50 79.25 85.75 6.50 80.95 1.70 1.18 262 309 5.26 Problems...
14. 60) A mixture of NaCI and sucrose (CiaH20) NaCl in the mixture. Assume that the...
14. 60) A mixture of NaCI and sucrose (CiaH20) NaCl in the mixture. Assume that the van't Hoff factor (i) for NaCI is 2. ) of combined mass g is dissolved in enough water to make a 250 ml solution. The osmotic pressure of the solution is 7.32 atm at 23°C. Calculate the mass percent of
The density of NaCl is 2.165 g/mL, what volume of water would 200. g of NaCl...
The density of NaCl is 2.165 g/mL, what volume of water would 200. g of NaCl displace? Enter the numerical answer in decimal notation, do not include units this question type does not support units. What is the molality of the solution described above after all of the salt has dissolved? Enter the numerical answer in decimal notation, do not include units this question type does not support units.
Practice 1. Suppose we want to prepare four 10.00-mL standard solutions of sodium chloride (NaCI) solution...
Practice 1. Suppose we want to prepare four 10.00-mL standard solutions of sodium chloride (NaCI) solution that are 0.10 M, 0.20 M, 0.30 M, and 0.40 M. What glassware would be required to prepare the four standard solutions? a) Fall 2018-CNB b) How many grams of NaCl would we need to measure for each standard solution? Use the table below as a guide StandardConcentration (M) Solution Theoretical Mass of NaCl (g) 0.100 0.200 0.300 4 0.400 c) Suppose you could...
Using Concentration as a Conversion Factor 30 g solution 100 g NaCl 100 mL solution 14...
Using Concentration as a Conversion Factor 30 g solution 100 g NaCl 100 mL solution 14 g fructose Conversion Factor Rure Concentration Given Units Desired Units 100 g NaCl 14 g fructoso 100 msnlution 30 g solution 30% ( m/m) NaCl solution grams of solution grams of NaCl 100 g solution Group 1 14 g solution 100 mL. fructose 30 g NaC 8 % ( v/v ) ethanol solution milliliters of solution milliliters of ethanol Group 4 100 mL solution...
250 mL of 2 M NaCl solution was mixed with 50 mL of 0.5 M NaCl...
250 mL of 2 M NaCl solution was mixed with 50 mL of 0.5 M NaCl solution. What is the concentration of the solution that we will get? If this solution then was diluted with 200 mL of water, what would be the concentration of the final solution?
(b) 150 mL of solution is prepared by dissolving 1.20 g of sodium c hloride, NaCI...
(b) 150 mL of solution is prepared by dissolving 1.20 g of sodium c hloride, NaCI in enough water at 30 C. Given osmotic pressure is 2.20X102 atm. Determine the average molar mass of the NaCI.
4 A 12.34 mL solution with an unknown salt concentration had a mass of 10.25 g....
4 A 12.34 mL solution with an unknown salt concentration had a mass of 10.25 g. When the water was evaporated from the solution, 4.78 g of NaCI remained. a Calculate the mass-mass percent NaCi concentration in the solution. Show your work b Calculate the mass-volume percent NaCl concentration in the solution. Show your work. c Calculate the molarity of NaCI in the solution. Show your work.
7.28 Initial Volume of NaCl solution in cylinder, (mL) Volume of NaCl solution remaining in cylinder, (mL) Volume of NaCl solution transferred to dish, (mL) Mass of dish, (g) Mass of dish and NaCl solution, (g) Mass of NaCl solution, (g) Mass of dish and dried Naci, (g) Mass of dried NaCl, (g) Density of solution, (g/mL) Percent NaCl (m/m), (%) Percent NaCl (m/v), (%) Molarity of NaCl, (moles/L) 1.78 5.50 79.25 85.75 6.50 80.95 1.70 1.18 262 309 Molarity....
77 NAME 7.28 Initial Volume of NaCl solution in cylinder, (mL) Volume of NaCl solution remaining in cylinder, (mL) Volume of NaCl solution transferred to dish, (mL) Mass of dish, (g) Mass of dish and NaCl solution, (g) 1.78 5.50 79.25 85.75 6.50 80.95 1.70 Mass of NaCl solution, (g) Mass of dish and dried Naci, Mass of dried NaCl, (g) Density of solution, (g/mL) Percent NaCl (m/m), (%) Percent NaCl (m/v), (%) Molarity of NaCl, (moles/L) Calculations: Density of...
7.28 Initial Volume of NaCl solution in cylinder, (mL) Volume of NaCl solution remaining in cylinder, (mL) Volume of NaCl solution transferred to dish, (mL) Mass of dish, (g) Mass of dish and NaCl solution, (g) Mass of NaCl solution, (g) Mass of dish and dried Naci, (g) Mass of dried NaCl, (g) Density of solution, (g/mL) Percent NaCl (m/m),() Percent NaCl (m/v), (%) Molarity of NaCl, (moles/L) 1.78 5.50 79.25 85.75 6.50 80.95 1.70 1.18 262 309 5.26 Problems...
14. 60) A mixture of NaCI and sucrose (CiaH20) NaCl in the mixture. Assume that the van't Hoff factor (i) for NaCI is 2. ) of combined mass g is dissolved in enough water to make a 250 ml solution. The osmotic pressure of the solution is 7.32 atm at 23°C. Calculate the mass percent of
Practice 1. Suppose we want to prepare four 10.00-mL standard solutions of sodium chloride (NaCI) solution that are 0.10 M, 0.20 M, 0.30 M, and 0.40 M. What glassware would be required to prepare the four standard solutions? a) Fall 2018-CNB b) How many grams of NaCl would we need to measure for each standard solution? Use the table below as a guide StandardConcentration (M) Solution Theoretical Mass of NaCl (g) 0.100 0.200 0.300 4 0.400 c) Suppose you could...
Using Concentration as a Conversion Factor 30 g solution 100 g NaCl 100 mL solution 14 g fructose Conversion Factor Rure Concentration Given Units Desired Units 100 g NaCl 14 g fructoso 100 msnlution 30 g solution 30% ( m/m) NaCl solution grams of solution grams of NaCl 100 g solution Group 1 14 g solution 100 mL. fructose 30 g NaC 8 % ( v/v ) ethanol solution milliliters of solution milliliters of ethanol Group 4 100 mL solution...
(b) 150 mL of solution is prepared by dissolving 1.20 g of sodium c hloride, NaCI in enough water at 30 C. Given osmotic pressure is 2.20X102 atm. Determine the average molar mass of the NaCI.
4 A 12.34 mL solution with an unknown salt concentration had a mass of 10.25 g. When the water was evaporated from the solution, 4.78 g of NaCI remained. a Calculate the mass-mass percent NaCi concentration in the solution. Show your work b Calculate the mass-volume percent NaCl concentration in the solution. Show your work. c Calculate the molarity of NaCI in the solution. Show your work.
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