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Moles and Reactions Data Sheet Name: POPl Lab Partner: Lab Bench # Part I: Molar Mass...
how can i find number of moles and % of yield? Name Name Lab Partner Locker/...
how can i find number of moles and % of yield?
Name Name Lab Partner Locker/ Desk No. Calculations 1. Salicylic acid used 2.929. 2. number of moles: 3. theoretical mass of acetyl salicylic acid 4 actual mass of acetyl salicylic acid: 5% yield:
Date Name Lab Section Partner(s) Determination of Molar Mass by Freezing Point Depression Data: Mass of...
Date Name Lab Section Partner(s) Determination of Molar Mass by Freezing Point Depression Data: Mass of empty test tube 2.2.6! Mass of test tube plus approximately 10.0 g of benzophenone 33.39 The difference is the mass of benzophenone (solvent) 8 kg Mass of unknown (-1.0 g) 1:09: 48.50°c 42.08. Freezing point of pure benzophenone Freezing point of benzophenone containing the unknown The difference is A fp CO Calculations: (Show set-up with cancellation of units) 1. molality of solution 2. moles...
Table Salt from Baking Soda Name: Date: Partner: DATA: Mass of beaker 95.85. Mass of beaker...
Table Salt from Baking Soda Name: Date: Partner: DATA: Mass of beaker 95.85. Mass of beaker and sample (NaHCO3) 17.45. Mass of sample (NaHCO3) Mass of beaker and residue (NaCl) 1" Heating... :26 99, Mass of beaker and residue (NaCl) 2 Heating.. 26.85, Mass of beaker and residue (NaCl) 3* Heating... 26.959 Mass of beaker and residue (NaCl) best g Mass of residue (NaCl) 9 Volume of conc. HCI added ml CALCULATIONS: g/mol Molar mass of NaHCO3 Number of moles...
Name Lab Partner Lab Section Date Lab 9 DATA Part A: Synthesis of Aspirin Mass of...
Name Lab Partner Lab Section Date Lab 9 DATA Part A: Synthesis of Aspirin Mass of salicylic acid 1.047 g Mass of watch glass 37.3959 Mass of watch glass + dry product 38.1409 Calculated mass of dry product 0.7459 Melting range of product 136-140 Addition of FeCl, to salicylic acid Addition of FeCl, to product Theoretical yield of aspirin Show calculation: Percent yield of aspirin product Show calculation:
Name: Lab Partner(s): Data Sheet volume of unknown sample (mL) Bad UD-om mass of filter paper (g) mass of filter p...
Name: Lab Partner(s): Data Sheet volume of unknown sample (mL) Bad UD-om mass of filter paper (g) mass of filter paper + solid Ba3(PO4)2(g) 0.339 1.479 Calculation: mass of solid Ba3(PO4)2 (9) filter paper -- Total 1647g-0-339 = 1.149 11.149 molar mass of Baz(PO4)2 (a/mol) molar mass of BaCl2 (g/mol) Calculation mass of Bach orignally present in the unknown sample (9) Calculation: g of BaCl2 per mL of sample (g/mL) Calculation: Actual calculated value of BaCl2 (g/mL) 0.0125 Experimental Error...
How do you solve Part D. Calculations (Moles of vapor, mass of vapor, and molar mass...
How do you solve Part D.
Calculations (Moles of vapor, mass of vapor, and molar mass of
vapor)
3. a. The following data were recorded in determining the molar mass of a volatile liquid following the Experimental Procedure of this experiment. Complete the table for analysis. (See Report Sheet.) Record calculated values with the correct number of significant figures. Calculation Zone 74.722 Part D.1 98.7 74.921_ Part D.2 A. Preparing the Sample 1. Mass of dry flask, foil, and rubber...
Date Section Name Team Shiny, light grey_n boon 36.74 REPORT SHEET LAB Moles and Chemical Formulas...
Date Section Name Team Shiny, light grey_n boon 36.74 REPORT SHEET LAB Moles and Chemical Formulas 110 A. Finding the Simplest Formula 36.58 1. Mass of empty crucible + cover 2. Initial appearance of the magnesium 3. Mass of crucible + cover + magnesium 4. Mass of crucible + cover + oxide product - 36.94 Calculations 5. Mass of magnesium 6. Mass of magnesium compound 7. Mass of oxygen in the product 8. Moles of Mg - mole (Show calculations.)...
this is the data I have now Jerome Name: Cathia Lab Partner: Chem 105/110 Section: Experiment...
this is the data I have now
Jerome Name: Cathia Lab Partner: Chem 105/110 Section: Experiment Date: Mole Ratios and Reaction Stoichiometry Reaction A: Sodium Bicarbonate and Hydrochloric Acid Experimental Data (a) Mass of evaporating dish + watch glass (b) Mass of evaporating dish + watch glass + sodium bicarbonate (c) Mass of sodium bicarbonate used (d) Mass of evaporating dish + watch glass + sodium chloride (e) Mass of sodium chloride collected (experimental yield) 73.289 75.799 2249 .63 Data...
Redox CHM 111 Titration Name Date Lab Partner Data Sheet Molarity of KMnO: 1.234M Balanced chemical...
Redox CHM 111 Titration Name Date Lab Partner Data Sheet Molarity of KMnO: 1.234M Balanced chemical equation: Trial 1 Trial Trial Trial Trial Trial 1. Mass of H, O, solution _2419_ _2.899_ 1.989 _2.329 _2.569 1.999 2. Initial burette reading 0.00mL._ _27.4mL_ _25.23mL_ _0.00ml. 23.5ml 26.52mL 3. Final burette reading 27.4mL._ _49.6ml._ _48.58mL.__25.31mL.__41.25mL._ 42.89mL_ 4. Volume of KMnO, used 5. Moles of KMnO, 6. Moles of Ho 7. Grams of 1,0 8. Q-calculated value 9. Q-table value 10. Average grams...
Section - Date Name Lab Partner DATA Trial Mass of Mg (g) - 0.0301 3 Temperature...
Section - Date Name Lab Partner DATA Trial Mass of Mg (g) - 0.0301 3 Temperature (°C) Volume of H, gas (mL) 30.1 Barometric Pressure (mmHg)_latm 349 38.6 lamm CALCULATIONS A. Experimental Determination of the gas constant, R 1. Write the balanced chemical equation for the reaction between magnesium and hydrochloric acid 2. How many moles of Mg were consumed? 3. Based upon the chemical equation how many moles of H, gas were produced? 4. What volume of H, gas...
how can i find number of moles and % of yield?
Name Name Lab Partner Locker/ Desk No. Calculations 1. Salicylic acid used 2.929. 2. number of moles: 3. theoretical mass of acetyl salicylic acid 4 actual mass of acetyl salicylic acid: 5% yield:
Date Name Lab Section Partner(s) Determination of Molar Mass by Freezing Point Depression Data: Mass of empty test tube 2.2.6! Mass of test tube plus approximately 10.0 g of benzophenone 33.39 The difference is the mass of benzophenone (solvent) 8 kg Mass of unknown (-1.0 g) 1:09: 48.50°c 42.08. Freezing point of pure benzophenone Freezing point of benzophenone containing the unknown The difference is A fp CO Calculations: (Show set-up with cancellation of units) 1. molality of solution 2. moles...
Table Salt from Baking Soda Name: Date: Partner: DATA: Mass of beaker 95.85. Mass of beaker and sample (NaHCO3) 17.45. Mass of sample (NaHCO3) Mass of beaker and residue (NaCl) 1" Heating... :26 99, Mass of beaker and residue (NaCl) 2 Heating.. 26.85, Mass of beaker and residue (NaCl) 3* Heating... 26.959 Mass of beaker and residue (NaCl) best g Mass of residue (NaCl) 9 Volume of conc. HCI added ml CALCULATIONS: g/mol Molar mass of NaHCO3 Number of moles...
Name Lab Partner Lab Section Date Lab 9 DATA Part A: Synthesis of Aspirin Mass of salicylic acid 1.047 g Mass of watch glass 37.3959 Mass of watch glass + dry product 38.1409 Calculated mass of dry product 0.7459 Melting range of product 136-140 Addition of FeCl, to salicylic acid Addition of FeCl, to product Theoretical yield of aspirin Show calculation: Percent yield of aspirin product Show calculation:
Name: Lab Partner(s): Data Sheet volume of unknown sample (mL) Bad UD-om mass of filter paper (g) mass of filter paper + solid Ba3(PO4)2(g) 0.339 1.479 Calculation: mass of solid Ba3(PO4)2 (9) filter paper -- Total 1647g-0-339 = 1.149 11.149 molar mass of Baz(PO4)2 (a/mol) molar mass of BaCl2 (g/mol) Calculation mass of Bach orignally present in the unknown sample (9) Calculation: g of BaCl2 per mL of sample (g/mL) Calculation: Actual calculated value of BaCl2 (g/mL) 0.0125 Experimental Error...
How do you solve Part D.
Calculations (Moles of vapor, mass of vapor, and molar mass of
vapor)
3. a. The following data were recorded in determining the molar mass of a volatile liquid following the Experimental Procedure of this experiment. Complete the table for analysis. (See Report Sheet.) Record calculated values with the correct number of significant figures. Calculation Zone 74.722 Part D.1 98.7 74.921_ Part D.2 A. Preparing the Sample 1. Mass of dry flask, foil, and rubber...
Date Section Name Team Shiny, light grey_n boon 36.74 REPORT SHEET LAB Moles and Chemical Formulas 110 A. Finding the Simplest Formula 36.58 1. Mass of empty crucible + cover 2. Initial appearance of the magnesium 3. Mass of crucible + cover + magnesium 4. Mass of crucible + cover + oxide product - 36.94 Calculations 5. Mass of magnesium 6. Mass of magnesium compound 7. Mass of oxygen in the product 8. Moles of Mg - mole (Show calculations.)...
this is the data I have now
Jerome Name: Cathia Lab Partner: Chem 105/110 Section: Experiment Date: Mole Ratios and Reaction Stoichiometry Reaction A: Sodium Bicarbonate and Hydrochloric Acid Experimental Data (a) Mass of evaporating dish + watch glass (b) Mass of evaporating dish + watch glass + sodium bicarbonate (c) Mass of sodium bicarbonate used (d) Mass of evaporating dish + watch glass + sodium chloride (e) Mass of sodium chloride collected (experimental yield) 73.289 75.799 2249 .63 Data...
Redox CHM 111 Titration Name Date Lab Partner Data Sheet Molarity of KMnO: 1.234M Balanced chemical equation: Trial 1 Trial Trial Trial Trial Trial 1. Mass of H, O, solution _2419_ _2.899_ 1.989 _2.329 _2.569 1.999 2. Initial burette reading 0.00mL._ _27.4mL_ _25.23mL_ _0.00ml. 23.5ml 26.52mL 3. Final burette reading 27.4mL._ _49.6ml._ _48.58mL.__25.31mL.__41.25mL._ 42.89mL_ 4. Volume of KMnO, used 5. Moles of KMnO, 6. Moles of Ho 7. Grams of 1,0 8. Q-calculated value 9. Q-table value 10. Average grams...
Section - Date Name Lab Partner DATA Trial Mass of Mg (g) - 0.0301 3 Temperature (°C) Volume of H, gas (mL) 30.1 Barometric Pressure (mmHg)_latm 349 38.6 lamm CALCULATIONS A. Experimental Determination of the gas constant, R 1. Write the balanced chemical equation for the reaction between magnesium and hydrochloric acid 2. How many moles of Mg were consumed? 3. Based upon the chemical equation how many moles of H, gas were produced? 4. What volume of H, gas...
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