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temperature unknown Fp sample 2 = 3.7 degree celcius
mass of Fp sample 2 = 2.000...
CONCLUSIONS: Which of the compounds in the table below is most likely to be your unknown...
CONCLUSIONS: Which of the compounds in the table below is most likely to be your unknown FP sample 2? Name of Compound Molar Mass (g/mol) calcium sulfate 136.14 glucose 180.16 potassium hydrogen phthalate 204.22 sodium oxalate 134.00 Please provide explanation as I am trying to understand the concept better! Will rate, thanks!
Need help solving the calculationss. please show work on a seperae piece of paper and show...
Need help solving the calculationss. please show work on a
seperae piece of paper and show all work.
Background information.
Experiment 1: Measure the Freezing Point of Pure Water 10 1. Volume of water (mL): 10 2. Mass of water (g): 3. Freezing Temperature (°C): 0 Experiment 2: Measure the Freezing Point of a Solution of an Unknown Substance 1. Mass of FP sample 1 (g): 2.00 si 2. Mass of sample and water (g): 12.000 3. Freezing Temperature (°C):...
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
an unknown substance of mass 200 g at a temperature of 148 degree C is put...
an unknown substance of mass 200 g at a temperature of 148 degree C is put in to 400 g of water at 40 degree C. the final equilibrium temperature is 44 degree C. what is the specific heat of the unknown substance ? what is the substance?
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....
for question 1 the molar mass of unknown is 102g/mol hation by Freezing Point Depression Vernier...
for
question 1 the molar mass of unknown is 102g/mol
hation by Freezing Point Depression Vernier Logger Pro for Windows Section Post-Laboratory Questions (Use the space provided and additional paper if necessary. Record your nemerical answers in the boxes provided.) 1. Obtain the correct molar mass of your unknown from your laboratory instructor. Calculate the percent error in the molar mass that you found. Torg/mol percent error, 2. A student determined the freezing point of pure t-butyl alcohol following the...
DATA TABLE Trial 1 Trial 2 Mass of Erlenmeyer flask, rubber band and foil cover (g) 90.560 90.10 Temperature of wat...
DATA TABLE Trial 1 Trial 2 Mass of Erlenmeyer flask, rubber band and foil cover (g) 90.560 90.10 Temperature of water bath (°C) 100t 99.1 Mass of Erlenmeyer flask, rubber band, foil cover and condensed 0819 gas sample (9) Mass of the condensed gas sample (9) 251.59 Barometric (atmospheric) pressure (mmHg) 128.96 28.93 Volume of the Erlenmeyer flask (mL) 170 170 Molar mass of the unknown sample (g/mole) Average molar mass (g/mol): DATA ANALYSIS (Show your calculations) 1. Determine the...
Data Sheet Unknown Number Sample 2 Sample 1 Volume of Ha gas (ml.) 22.65 22.12 Temperature...
Data Sheet Unknown Number Sample 2 Sample 1 Volume of Ha gas (ml.) 22.65 22.12 Temperature of water (C) 20 8 0 20.8 C Height of water column (mm) 324.9 210.2 Vapor pressure of water at above temperature (mmlig) 7.5 17.5 Barometric pressure (mmHg) 747.776 구4구. 구구6 CALCULATIONS (Show calculations) Pressure ofthe column of water (mmHg) Pressure of dry hydrogen (mmHg) Moles of Hydrogen Mass of Magnesium ribbon (g) Average mass of magnesium ribbon (g) Vapor Pressure of Water at...
A 0.5240 −g sample of an unknown monoprotic acid was titrated with 9.94×10−2 M NaOH. The...
A 0.5240 −g sample of an unknown monoprotic acid was titrated with 9.94×10−2 M NaOH. The equivalence point of the titration occurs at 23.90 mL . Determine the molar mass of the unknown acid. Use the Ksp values to calculate the molar solubility of each of the following compounds in pure water. PART A---- MX (Ksp = 8.57×10−36)Express your answer in moles per liter. PART B----PbCl2 (Ksp = 1.17×10−5) Express your answer in moles per liter. PART C-----Ni(OH)2 (Ksp =...
Find the molar mass of the unknown compound given the following information: A 1.216 g sample...
Find the molar mass of the unknown compound given the following information: A 1.216 g sample of an unknown compound was dissolved in 8.379 g of BHT BHT is a non-polar solvent with a k, = 6.83°C/m. The freezing point depression (AT) was measured as 3.30'C. Useful information AT, = Kim Hint: sole for molality and then use the mass of the solvent to find the number of moles of solute. If the rate constant for the reaction below is...
Need help solving the calculationss. please show work on a
seperae piece of paper and show all work.
Background information.
Experiment 1: Measure the Freezing Point of Pure Water 10 1. Volume of water (mL): 10 2. Mass of water (g): 3. Freezing Temperature (°C): 0 Experiment 2: Measure the Freezing Point of a Solution of an Unknown Substance 1. Mass of FP sample 1 (g): 2.00 si 2. Mass of sample and water (g): 12.000 3. Freezing Temperature (°C):...
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....
for
question 1 the molar mass of unknown is 102g/mol
hation by Freezing Point Depression Vernier Logger Pro for Windows Section Post-Laboratory Questions (Use the space provided and additional paper if necessary. Record your nemerical answers in the boxes provided.) 1. Obtain the correct molar mass of your unknown from your laboratory instructor. Calculate the percent error in the molar mass that you found. Torg/mol percent error, 2. A student determined the freezing point of pure t-butyl alcohol following the...
DATA TABLE Trial 1 Trial 2 Mass of Erlenmeyer flask, rubber band and foil cover (g) 90.560 90.10 Temperature of water bath (°C) 100t 99.1 Mass of Erlenmeyer flask, rubber band, foil cover and condensed 0819 gas sample (9) Mass of the condensed gas sample (9) 251.59 Barometric (atmospheric) pressure (mmHg) 128.96 28.93 Volume of the Erlenmeyer flask (mL) 170 170 Molar mass of the unknown sample (g/mole) Average molar mass (g/mol): DATA ANALYSIS (Show your calculations) 1. Determine the...
Data Sheet Unknown Number Sample 2 Sample 1 Volume of Ha gas (ml.) 22.65 22.12 Temperature of water (C) 20 8 0 20.8 C Height of water column (mm) 324.9 210.2 Vapor pressure of water at above temperature (mmlig) 7.5 17.5 Barometric pressure (mmHg) 747.776 구4구. 구구6 CALCULATIONS (Show calculations) Pressure ofthe column of water (mmHg) Pressure of dry hydrogen (mmHg) Moles of Hydrogen Mass of Magnesium ribbon (g) Average mass of magnesium ribbon (g) Vapor Pressure of Water at...
Find the molar mass of the unknown compound given the following information: A 1.216 g sample of an unknown compound was dissolved in 8.379 g of BHT BHT is a non-polar solvent with a k, = 6.83°C/m. The freezing point depression (AT) was measured as 3.30'C. Useful information AT, = Kim Hint: sole for molality and then use the mass of the solvent to find the number of moles of solute. If the rate constant for the reaction below is...
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