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6) A solution made by dissolving 1.083 g of benzoic acid (CyH6O2) in 8.242 g of...
9. A solution of 1,035 g of benzoic acid in 8.525 g of lauric acid had...
9. A solution of 1,035 g of benzoic acid in 8.525 g of lauric acid had a freezing point of 39.6 C What is the molar mass of benzoic acid? The freezing point of lauric acid is 43.2 C and Kris 3.60 C.kg/mol.
DATA TABLE Mass of lauric acid (9) 8.25 1.09 42.22 C Mass of benzoic acid (g)...
DATA TABLE Mass of lauric acid (9) 8.25 1.09 42.22 C Mass of benzoic acid (g) Freezing temperature of pure lauric acid ('C) Freezing point of the benzoic acid-lauric acid mixture (C)39,11°c Going Further Questions: 1. Calculate molality (m), in molkg, using the formula AT- Kx m. The K value for lauric acid is 3.9°c-kg/mol. 2. Calculate moles of benzoic acid solute, using the molality and the mass (in kg) of lauric acid solvent. 3. Calculate the experimental molecular weight...
DATA AND CALCULATIONS Mass of lauric acid Mass of benzoic acid Freezing temperature of pure lauric...
DATA AND CALCULATIONS Mass of lauric acid Mass of benzoic acid Freezing temperature of pure lauric acid Freezing point of the benzoic acid-lauric acid mixture Freezing temperature depression, At 38-1c Molality, m molkg Moles of benzoic acid mol Molecular weight of benzoic acid (experimental) g/mo Molecular weight of benzoic acid (accepted) g/mol Percent error
A TARLES ca Part I: Benzoic acid and laurie Acid Mass of uric acid grams) Mass...
A TARLES ca Part I: Benzoic acid and laurie Acid Mass of uric acid grams) Mass of benzoic acid grams) Freezing temperature of pure lauric acid (°C) From Part 8.02 11.04 g. 4 2.95 4 227900 Freezing point of the benzoic acid and lauricucid ("C) Part III: Unknown solute and lauric Acid Mass of lauric acid (grams) 8.0 49 Mass of unknown solute (grams) P.98g Freezing temperature of pure lauric acid ("C) (From Part 45°C Freezing point of the unknown...
(V) (8 points) What is the freezing point temperature for a solution of 1.221 g of...
(V) (8 points) What is the freezing point temperature for a solution of 1.221 g of benzoic acid (C&HsCOOH) in 3 8.000 g of lauric acid? For lauric acid, CHs(CH2)1oCOOH, the normal freezing point is 43.2°C, and Kr value is 3.9 °C/m. 5
Hi, I need some help with Chemistry. Q1: Q2: Here is some background for the questions: Thank y...
Hi, I need some help with Chemistry.
Q1:
Q2:
Here is some background for the questions:
Thank you in advance.
You add 0.0336 moles of benzoic acid solute to 16.00 g of an unknown solvent, which lowers the freezing point of the solvent by 8.6 °C. Calculate the freezing point depression constant (Kf) of the unknown solvent. You dissolve 1.00 g sample of an unknown solute is in 8.00 g of lauric acid, which lowers the freezing point by 5.0...
A solution made by dissolving 85.0 g f sucrose (Molar mass. 342.3 g/mol) in 515 go...
A solution made by dissolving 85.0 g f sucrose (Molar mass. 342.3 g/mol) in 515 go acetic acid at 25 degree C froze at 14.95degreeC. Freezing point of the pure acetic acid is 16.90degreeC.Density of acetic acid is 1.05 g/ml. at 25 degree C. Answer the following and show your work in the space provided. Molality of sucrose solution = K_i of acetic acid = 93.42 g of an unknown non-volatile, non-electrolyte solute was dissolved in 850.g of acetic acid....
This is all the info please answer without asking questions, to the best of your knowledge...
This is all the info please answer without asking questions,
to the best of your knowledge thank you
sechon, freezing temperature for the benzoic acid-lauric acid mixture. tuhe thhter the temperatures shown in either examine box should be equal to the DATA AND CALCULATIONS Mass of lauric acid Mass of benzoic acid Freezing temperature of pure lauric acid Freezing point of the benzoic acid-lauric acid mixture Freezing temperature depression, At 9 6 eC °C Molality. m KA Moles of benzoic...
Mass of lauric acid= 8.0021g Mass of unknown solute= 1.0036g Freexing temperature of pur lauric acid=42.62...
Mass of lauric acid= 8.0021g Mass of unknown solute= 1.0036g Freexing temperature of pur lauric acid=42.62 Freezing temperature point of the unknown solute and lauric acid =36.09 Calculate mole of benzoic acid solute, using the molality and the mass of lauric acid solvent Calculate the experimental molar mass of benzoic acid , in g/mol
Times New Ro - 12 AA AA EI Аавьса Аавьса AABB 211 1 No Spac... 1...
Times New Ro - 12 AA AA EI Аавьса Аавьса AABB 211 1 No Spac... 1 Normal Title Paragraph Styles Editing Paste B abe *, A2 A 1 Clipboard Font Part 2: Using Freezing Point Depression to Find Molar Mass Table 2: Freezing Point Depression. Mass of lauric acid in mixture (from test tube) 6.03 g 0.79 g 4.48 °C Mass of benzoic acid in mixture (from test tube) Freezing temperature depression, AT: comparing pure and mixture Molality of the...
9. A solution of 1,035 g of benzoic acid in 8.525 g of lauric acid had a freezing point of 39.6 C What is the molar mass of benzoic acid? The freezing point of lauric acid is 43.2 C and Kris 3.60 C.kg/mol.
DATA TABLE Mass of lauric acid (9) 8.25 1.09 42.22 C Mass of benzoic acid (g) Freezing temperature of pure lauric acid ('C) Freezing point of the benzoic acid-lauric acid mixture (C)39,11°c Going Further Questions: 1. Calculate molality (m), in molkg, using the formula AT- Kx m. The K value for lauric acid is 3.9°c-kg/mol. 2. Calculate moles of benzoic acid solute, using the molality and the mass (in kg) of lauric acid solvent. 3. Calculate the experimental molecular weight...
DATA AND CALCULATIONS Mass of lauric acid Mass of benzoic acid Freezing temperature of pure lauric acid Freezing point of the benzoic acid-lauric acid mixture Freezing temperature depression, At 38-1c Molality, m molkg Moles of benzoic acid mol Molecular weight of benzoic acid (experimental) g/mo Molecular weight of benzoic acid (accepted) g/mol Percent error
A TARLES ca Part I: Benzoic acid and laurie Acid Mass of uric acid grams) Mass of benzoic acid grams) Freezing temperature of pure lauric acid (°C) From Part 8.02 11.04 g. 4 2.95 4 227900 Freezing point of the benzoic acid and lauricucid ("C) Part III: Unknown solute and lauric Acid Mass of lauric acid (grams) 8.0 49 Mass of unknown solute (grams) P.98g Freezing temperature of pure lauric acid ("C) (From Part 45°C Freezing point of the unknown...
(V) (8 points) What is the freezing point temperature for a solution of 1.221 g of benzoic acid (C&HsCOOH) in 3 8.000 g of lauric acid? For lauric acid, CHs(CH2)1oCOOH, the normal freezing point is 43.2°C, and Kr value is 3.9 °C/m. 5
Hi, I need some help with Chemistry.
Q1:
Q2:
Here is some background for the questions:
Thank you in advance.
You add 0.0336 moles of benzoic acid solute to 16.00 g of an unknown solvent, which lowers the freezing point of the solvent by 8.6 °C. Calculate the freezing point depression constant (Kf) of the unknown solvent. You dissolve 1.00 g sample of an unknown solute is in 8.00 g of lauric acid, which lowers the freezing point by 5.0...
A solution made by dissolving 85.0 g f sucrose (Molar mass. 342.3 g/mol) in 515 go acetic acid at 25 degree C froze at 14.95degreeC. Freezing point of the pure acetic acid is 16.90degreeC.Density of acetic acid is 1.05 g/ml. at 25 degree C. Answer the following and show your work in the space provided. Molality of sucrose solution = K_i of acetic acid = 93.42 g of an unknown non-volatile, non-electrolyte solute was dissolved in 850.g of acetic acid....
This is all the info please answer without asking questions,
to the best of your knowledge thank you
sechon, freezing temperature for the benzoic acid-lauric acid mixture. tuhe thhter the temperatures shown in either examine box should be equal to the DATA AND CALCULATIONS Mass of lauric acid Mass of benzoic acid Freezing temperature of pure lauric acid Freezing point of the benzoic acid-lauric acid mixture Freezing temperature depression, At 9 6 eC °C Molality. m KA Moles of benzoic...
Times New Ro - 12 AA AA EI Аавьса Аавьса AABB 211 1 No Spac... 1 Normal Title Paragraph Styles Editing Paste B abe *, A2 A 1 Clipboard Font Part 2: Using Freezing Point Depression to Find Molar Mass Table 2: Freezing Point Depression. Mass of lauric acid in mixture (from test tube) 6.03 g 0.79 g 4.48 °C Mass of benzoic acid in mixture (from test tube) Freezing temperature depression, AT: comparing pure and mixture Molality of the...
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