1. Mass of magnesium (±0.0001 g) 0,0361 2. Temperature of hydrogen at your desk 20°C 4Y.5mL 712.4m Hal 3. Volume of hydrogen 4. Barometer reading (at 2 2. |_°c) a. Barometer correction for 2.45anHly 709.95mnhe temperature (subtract) b. Corrected atmospheric pressure 5. Water-level difference ruler 9.7cm nemnt 97mm 6. Mercury equivalent of the water- level difference 97:13.6 7.13 rmHq 7. Vapor pressure of water in the buret 19.572mntHe 683.248m. 8. Pressure of dry hydrogen alone (4b minus 6 and 7) 46-(6+7) Calculations: 709.95-(713.19 572): PV:aRT K 1.66rmby=yL atm X-22.1 esults 9. Calculated atomic weight of magnesium (4 SF)

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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How do you find the atomic weight of magnesium using these calculations?

Trial 1
1. Mass of magnesium (t0.0001 g)
0.0161
2. Temperature of hydrogen at your desk
70°C
4Y.5mL
712.4m Ha
3. Volume of hydrogen
4. Barometer reading (at 22.|°C)
Barometer correction for
temperature (subtract)
a.
2.45mHy
709.95mnHy
b. Corrected atmospheric pressure
5. Water-level difference
ruler
9.7cm
nusmint
97mm
6. Mercury equivalent of the water-
level difference
97:13.6
713rmHts
19.572mnts
7. Vapor pressure of water in the
buret
683.248 mnth
8. Pressure of dry hydrogen alone
(4b minus 6 and 7) 46-(6+7)
Calculations:
709.95-(713.19.572):
PV=aRT K
atm
X >23
1.66rms=yL
X-22.1
Results
9. Calculated atomic weight of
magnesium (4 SF)
Transcribed Image Text:Trial 1 1. Mass of magnesium (t0.0001 g) 0.0161 2. Temperature of hydrogen at your desk 70°C 4Y.5mL 712.4m Ha 3. Volume of hydrogen 4. Barometer reading (at 22.|°C) Barometer correction for temperature (subtract) a. 2.45mHy 709.95mnHy b. Corrected atmospheric pressure 5. Water-level difference ruler 9.7cm nusmint 97mm 6. Mercury equivalent of the water- level difference 97:13.6 713rmHts 19.572mnts 7. Vapor pressure of water in the buret 683.248 mnth 8. Pressure of dry hydrogen alone (4b minus 6 and 7) 46-(6+7) Calculations: 709.95-(713.19.572): PV=aRT K atm X >23 1.66rms=yL X-22.1 Results 9. Calculated atomic weight of magnesium (4 SF)
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