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You have set up the apparatus for this experiment, as described in the lab manual, and...
Question 4 2 pts What is the percent mass of bicarbonate (HCO3 ) in if the...
Question 4 2 pts What is the percent mass of bicarbonate (HCO3 ) in if the original sample of alka-seltzer, at 0.4312g, had determine there was 0.00075 moles of HCO3? O 11% O 10.61% O 10.6% O 10.613% 2 pts Question 3 You have set up the apparatus for this experiment, as described in the lab manual, and collected the following data: Atmospheric pressure 728.0torr Temperature 25.8 °C Gas constant 0.08206 Latm/mol K You then ran the experiment using 0.3234...
8. A student performs parts A and B of the experiment and attains an average percent...
8. A student performs parts A and B of the experiment and attains an average percent yield from the Alka- Seltzer of 64.6%. Using this value and the following data perform the calculations for part B and complete the table below. Assume the pressure has not changed. As it states in the manual: You may apply the findings regarding percent-yield in Part A to Part B when calculating the moles of calcium carbonate Trial 2 Trial 1 Mass Antacid used...
Experiment 9 Analysis of an Antacid using the ideal gas law. Calculations: 1) Find moles of...
Experiment 9 Analysis of an Antacid using the ideal gas law.
Calculations:
1) Find moles of CO2
2) Find moles of NaHCO3
3) Find mass of NaHCO3
4) Find mass % of NaHCO3
5) Find average mass % NaHCO3 in Alka-Seltzer
Sheet 23° torr Atmospheric pressure, mmHg 755.0 Temperature of H,O, "C Vapor pressure of H.O at this temperature 21.1 Calculated pressure of CO, in the system, mmHg 733.9 Balanced reaction of NaHCO, and HCl (see Pre-Laboratory Question 4a) =...
Unknown sample no. C Trial I Trial 2 1. Mass of 2. Mass of generator + sample before reaction () ...
help
with remaining calculations please
Unknown sample no. C Trial I Trial 2 1. Mass of 2. Mass of generator + sample before reaction () 3. Inst s approval of apparatus C. Determination of Vol ume, Temperature, and Pressure of the Carbon Dioxide Gas 1. Initial reading of volume of water in CO.-collecting graduated cylinder (mL) 2. Final reading of volume of water in CO-collecting graduated cylinder (mL) 3. Volume of CO,(g) collected (L) 4. Temperature of water C) 5....
An Alka-Seltzer tablet consists of NaHCOs (sodium bicarbonate), citric acid (H3C&HsO; citric acid...
I Need the pre-lab
Questions, please
An Alka-Seltzer tablet consists of NaHCOs (sodium bicarbonate), citric acid (H3C&HsO; citric acid is triprotic), aspirin and other inert ingredients. When dissolved in water, citric acid and NaHCO3 components react as follows: In the first part of the experiment, we will determine the mass of NaHCO in a tablet of Alka Seltzer. To do this, we will use a known mass of a powdered sample of Alka-Seltzer and determine the mass of CO2 gas...
Need help with calculations (10pts) Calculations Table view List view Calculations Trial 1 Trial 2 Trial...
Need help with calculations
(10pts) Calculations Table view List view Calculations Trial 1 Trial 2 Trial 3 Trial 4 1.602 1.598 1.505 1.605 Mass of sample in capsule (g) Mass of CO2 gas (9) 0.221 0.227 0.212 0.247 Mass of NaHCO3 (9) 0.0325 .378 .460 .325 % NaHCO3 in sample 97.384® 93.916 97.878 94.989 Mass NaHCO3 in 3.5 g tablet (9) 3.37 Temperature CO2 in K 298.2 Pressure CO2 in atm 0.9868 Moles CO2 (from the mass of CO2) 0.005...
i just need help with the error anaylsis question. 11.9 volt 0.12 ump EXPERIMENT 19 ELECTROLYTIC...
i just need help with the error anaylsis question.
11.9 volt 0.12 ump EXPERIMENT 19 ELECTROLYTIC CELLS 89 0-30 LABORATORY REPORT SHEET RECORD ALL VALUES WITH PROPER UNITS! Date Name Mass of copper anode before electrolysis 11.04979 Mass of copper anode after electrolysis 10.37269 Mass of copper removed 0.4771g Time start 12:00pm Time end 12:41 Total time_41 minulos Value with units that match R Use units on all values! Measured Value L'atm 0.08206 mole-K 294k Temperature 21.0°c 756.0 mmily Atmospheric...
Need help with the rest and how it was gotten Parts E and F I dont...
Need help with the rest and how it was gotten
Parts E and F I dont understand how to solve for them. the front
page has all the data collected and what i was able to solve
for
E. Molar Volume of CO; Gas Trial I {nL 1.030 1. Pressure of dry CO,(g) (atm). See Part C.7 2. Volume of CO-(g) at STP (L). See equation 13.4. ulayanloM ebixo 3. Molar volume of CO,(g) at STP (Lmol). See equation 13.2....
help on number 3 here is lab we did EXPERIMENT 19 An Analysis of Commercial Antacids...
help on number 3 here is lab we did
EXPERIMENT 19 An Analysis of Commercial Antacids Rolaids Alka Seltzer OBJECTIVES: Determine the per gram neutralizing ability of a commercial antacio Determine the per gram neutralizing ability of sodium bicarbonate Compare the effectiveness of several antacids. INTRODUCTION: "How do you spell relief two hecimie The parietal cells in the stomach secrete sufficient hydrochloric aci 0.10 M The flow of HCl increases when food enters the stomach and so acid secrete sufficient...
Question 4 2 pts What is the percent mass of bicarbonate (HCO3 ) in if the original sample of alka-seltzer, at 0.4312g, had determine there was 0.00075 moles of HCO3? O 11% O 10.61% O 10.6% O 10.613% 2 pts Question 3 You have set up the apparatus for this experiment, as described in the lab manual, and collected the following data: Atmospheric pressure 728.0torr Temperature 25.8 °C Gas constant 0.08206 Latm/mol K You then ran the experiment using 0.3234...
8. A student performs parts A and B of the experiment and attains an average percent yield from the Alka- Seltzer of 64.6%. Using this value and the following data perform the calculations for part B and complete the table below. Assume the pressure has not changed. As it states in the manual: You may apply the findings regarding percent-yield in Part A to Part B when calculating the moles of calcium carbonate Trial 2 Trial 1 Mass Antacid used...
Experiment 9 Analysis of an Antacid using the ideal gas law.
Calculations:
1) Find moles of CO2
2) Find moles of NaHCO3
3) Find mass of NaHCO3
4) Find mass % of NaHCO3
5) Find average mass % NaHCO3 in Alka-Seltzer
Sheet 23° torr Atmospheric pressure, mmHg 755.0 Temperature of H,O, "C Vapor pressure of H.O at this temperature 21.1 Calculated pressure of CO, in the system, mmHg 733.9 Balanced reaction of NaHCO, and HCl (see Pre-Laboratory Question 4a) =...
help
with remaining calculations please
Unknown sample no. C Trial I Trial 2 1. Mass of 2. Mass of generator + sample before reaction () 3. Inst s approval of apparatus C. Determination of Vol ume, Temperature, and Pressure of the Carbon Dioxide Gas 1. Initial reading of volume of water in CO.-collecting graduated cylinder (mL) 2. Final reading of volume of water in CO-collecting graduated cylinder (mL) 3. Volume of CO,(g) collected (L) 4. Temperature of water C) 5....
I Need the pre-lab
Questions, please
An Alka-Seltzer tablet consists of NaHCOs (sodium bicarbonate), citric acid (H3C&HsO; citric acid is triprotic), aspirin and other inert ingredients. When dissolved in water, citric acid and NaHCO3 components react as follows: In the first part of the experiment, we will determine the mass of NaHCO in a tablet of Alka Seltzer. To do this, we will use a known mass of a powdered sample of Alka-Seltzer and determine the mass of CO2 gas...
Need help with calculations
(10pts) Calculations Table view List view Calculations Trial 1 Trial 2 Trial 3 Trial 4 1.602 1.598 1.505 1.605 Mass of sample in capsule (g) Mass of CO2 gas (9) 0.221 0.227 0.212 0.247 Mass of NaHCO3 (9) 0.0325 .378 .460 .325 % NaHCO3 in sample 97.384® 93.916 97.878 94.989 Mass NaHCO3 in 3.5 g tablet (9) 3.37 Temperature CO2 in K 298.2 Pressure CO2 in atm 0.9868 Moles CO2 (from the mass of CO2) 0.005...
i just need help with the error anaylsis question.
11.9 volt 0.12 ump EXPERIMENT 19 ELECTROLYTIC CELLS 89 0-30 LABORATORY REPORT SHEET RECORD ALL VALUES WITH PROPER UNITS! Date Name Mass of copper anode before electrolysis 11.04979 Mass of copper anode after electrolysis 10.37269 Mass of copper removed 0.4771g Time start 12:00pm Time end 12:41 Total time_41 minulos Value with units that match R Use units on all values! Measured Value L'atm 0.08206 mole-K 294k Temperature 21.0°c 756.0 mmily Atmospheric...
Need help with the rest and how it was gotten
Parts E and F I dont understand how to solve for them. the front
page has all the data collected and what i was able to solve
for
E. Molar Volume of CO; Gas Trial I {nL 1.030 1. Pressure of dry CO,(g) (atm). See Part C.7 2. Volume of CO-(g) at STP (L). See equation 13.4. ulayanloM ebixo 3. Molar volume of CO,(g) at STP (Lmol). See equation 13.2....
help on number 3 here is lab we did
EXPERIMENT 19 An Analysis of Commercial Antacids Rolaids Alka Seltzer OBJECTIVES: Determine the per gram neutralizing ability of a commercial antacio Determine the per gram neutralizing ability of sodium bicarbonate Compare the effectiveness of several antacids. INTRODUCTION: "How do you spell relief two hecimie The parietal cells in the stomach secrete sufficient hydrochloric aci 0.10 M The flow of HCl increases when food enters the stomach and so acid secrete sufficient...
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