3. Calculate the volume of the gas at STP using the combined gas law. PexpVexp PSTPVSTP Texp TSTP

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Chapter1: Chemical Foundations
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3. Calculate the volume of the gas at STP using the combined gas law.
PexpVexp
PSTPVSTP
Texp
TSTP
4. Using the volume of the gas at STP, calculate the number of moles of gas at STP.
5. Using the equation: n=
calculate the EXPERIMENTAL molar mass.
Molar mass
6. Using the formula for butane, C4H10, the ACTUAL molar mass of butane.
7. Using the following equation to determine the percent error in the lab.
#6
#5
ACTUAL MOLAR MASS – EXPERIMENTAL MOLAR MASS x 100%
ACTUAL MOLAR MASS
#6
Transcribed Image Text:3. Calculate the volume of the gas at STP using the combined gas law. PexpVexp PSTPVSTP Texp TSTP 4. Using the volume of the gas at STP, calculate the number of moles of gas at STP. 5. Using the equation: n= calculate the EXPERIMENTAL molar mass. Molar mass 6. Using the formula for butane, C4H10, the ACTUAL molar mass of butane. 7. Using the following equation to determine the percent error in the lab. #6 #5 ACTUAL MOLAR MASS – EXPERIMENTAL MOLAR MASS x 100% ACTUAL MOLAR MASS #6
Initial Mass of Lighter before experiment
22.24g
Final Mass of Lighter after experiment
22.01g
Mass of butane transferred to the
0.23g
graduated cylinder
Volume of butane in graduated cylinder
100.0 mL
Atmospheric Pressure
755 mm Hg
Temperature of water and gas
22°C
K
Vapor Pressure of water at 22°C
19.8 mm Hg
Pressure of Dry gas
0.23atm
Record all data in the Data Table
Calculations: SHOW ALL WORK FOR ANY CALCULATION
1. Calculate the mass of butane in the graduated cylinder.
2. Calculate the pressure of the DRY gas at 22°C
Screenshot(Alt + M)
Patm = Phutane +P H20
Transcribed Image Text:Initial Mass of Lighter before experiment 22.24g Final Mass of Lighter after experiment 22.01g Mass of butane transferred to the 0.23g graduated cylinder Volume of butane in graduated cylinder 100.0 mL Atmospheric Pressure 755 mm Hg Temperature of water and gas 22°C K Vapor Pressure of water at 22°C 19.8 mm Hg Pressure of Dry gas 0.23atm Record all data in the Data Table Calculations: SHOW ALL WORK FOR ANY CALCULATION 1. Calculate the mass of butane in the graduated cylinder. 2. Calculate the pressure of the DRY gas at 22°C Screenshot(Alt + M) Patm = Phutane +P H20
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