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Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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
Transcribed Image Text:9. Lithium hydroxide crystals are used in manned space vehicles to remove carbon dioxide gas from
the air exhaled by the astronauts.
The symbolic equation for this reaction is
2LIOH + CO₂ → Li₂CO3 + H₂O
a. The formula and charge of a lithium ion is Lit Deduce the formula and charge of the
carbonate ion.
Explain your answer.
b. A space vehicle carries a crew of 7 astronauts. Each astronaut exhales 18 moles of carbon
dioxide every day. Calculate the total number of moles of carbon dioxide that the crew
will exhale during a mission into space which lasts 10 days.
Show your working.
c. Calculate the mass of lithium hydroxide crystals which must be loaded on board the space
vehicle to react with all the carbon dioxide exhaled during the mission.
Show your working.
Expert Solution
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