What is the volume, in mL, of the dry oxygen gas at STP

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter5: Gases
Section: Chapter Questions
Problem 101E: At elevated temperatures, sodium chlorate decomposes to produce sodium chloride and oxygen gas. A...
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e What is the volume, in mL, of the dry oxygen gas at STP conditions?
PV-nRT
latm (V)=(3)(.08214
Transcribed Image Text:e What is the volume, in mL, of the dry oxygen gas at STP conditions? PV-nRT latm (V)=(3)(.08214
2. A student thermally decomposed a 0.810 gram sample of impure potassium chlorate. Manganese
dioxide was used as a catalyst in the reaction. The student collected 43.60 mL of oxygen gas over
water in a eudiometer. Potassium chloride was the other product of the reaction. The temperature
and pressure at collection time were 20.00°C and 762.10 Torr respectively. The water level in the
eudiometer was 4.22 cm above the outside water level in the beaker.
Transcribed Image Text:2. A student thermally decomposed a 0.810 gram sample of impure potassium chlorate. Manganese dioxide was used as a catalyst in the reaction. The student collected 43.60 mL of oxygen gas over water in a eudiometer. Potassium chloride was the other product of the reaction. The temperature and pressure at collection time were 20.00°C and 762.10 Torr respectively. The water level in the eudiometer was 4.22 cm above the outside water level in the beaker.
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