Lithium batteries are used throughout our modern world – in cell phones, laptops, tablets, etc. In fact, if you are regularly recharging your device, it’s highly likely it contains a lithium ion battery. The lithium iron phosphate battery provides stable function over time. The overall reaction for the lithium iron phosphate battery is below: LiFePO4 + 6 C -> LiC6 + FePO4 A certain lithium battery weighs 0.6 g and has a capacity of 2250. mA hr (that is, the cell can store charge equivalent to a current of 2250. mA flowing for 1 hr). What is the capacity of this cell in coulombs? What mass of the reactants is needed to deliver 2250. mA hr? What percentage of the cell mass consists of reactants?

Chemistry
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ISBN:9781305957404
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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Lithium batteries are used throughout our modern world – in cell phones, laptops, tablets, etc. In fact, if you are regularly recharging your device, it’s highly likely it contains a lithium ion battery. The lithium iron phosphate battery provides stable function over time. The overall reaction for the lithium iron phosphate battery is below:

LiFePO4 + 6 C -> LiC6 + FePO4

A certain lithium battery weighs 0.6 g and has a capacity of 2250. mA hr (that is, the cell can store charge equivalent to a current of 2250. mA flowing for 1 hr).

  1. What is the capacity of this cell in coulombs?
  2. What mass of the reactants is needed to deliver 2250. mA hr?
  3. What percentage of the cell mass consists of reactants?
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