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Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074

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Section
BuyFindarrow_forward

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

What mass of lithium can be obtained from 73 million metric tons of lithium carbonate? (1 metric ton = 1000 kg.)

Interpretation Introduction

Interpretation:

The mass of lithium has to be calculated.

Concept introduction:

Mass of the compound is calculated by using following formula,

Mass = number of moles × molar mass 

Explanation

The lithium carbonate equation is given below,

  Li2CO32Li++ CO32-

One mole of lithium carbonate gives two mole of lithium. To calculate the number of moles of lithium carbonate,

Numberofmoles = massmolarmassNumberofmoles = 73 million metric 73.891Numberofmoles = 73×101373.891Numberofmoles = 9.879×1012molesonemoleoflithiumcarbonateiscorrespondstotwomoleoflithium,therefore,Numberofmoles = 2×9.879×1012molesNumberofmoles = 1

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