A sample of 'raw' natural gas comes out of the ground with, in molar terms, the following composition: 85.0% methane, 3.4% carbon dioxide, 7.7% ethane and 3.9% propane. As part of the purification of methane for distribution, the latter two hydrocarbons are captured for another use. If a million litres of raw gas at STP is processed per day, what would be the combined daily mass of ethane and propane available?

Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter5: Gases
Section: Chapter Questions
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1. A sample of 'raw' natural gas comes out
of the ground with, in molar terms, the
following composition: 85.0% methane,
3.4% carbon dioxide, 7.7% ethane and
3.9% propane. As part of the purification
of methane for distribution, the latter
two hydrocarbons are captured for
another use. If a million litres of raw gas
at STP is processed per day, what would
be the combined daily mass of ethane
and propane available?
a. 1.16 x 105 g
b.
2.3 Tonnes
4.46 x 104 g
С.
d. 4.0 Tonnes
Transcribed Image Text:1. A sample of 'raw' natural gas comes out of the ground with, in molar terms, the following composition: 85.0% methane, 3.4% carbon dioxide, 7.7% ethane and 3.9% propane. As part of the purification of methane for distribution, the latter two hydrocarbons are captured for another use. If a million litres of raw gas at STP is processed per day, what would be the combined daily mass of ethane and propane available? a. 1.16 x 105 g b. 2.3 Tonnes 4.46 x 104 g С. d. 4.0 Tonnes
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