Lithium carbonate, li2co3, contains 18.8 % lithium and is used in the treatment of mental illnesses such as bipolar disorder. what mass of lithium is present in a 1.70−g dose of lithium carbonate?

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28-09-2017
Chemistry

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Lithium carbonate, li2co3, contains 18.8 % lithium and is used in the treatment of mental illnesses such as bipolar disorder. what mass of lithium is present in a 1.70−g dose of lithium carbonate?

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barnuts barnuts · Answer 1 · 2017-10-10T11:21:58+02:00

barnuts barnuts

10-10-2017

Assuming that the percentage composition is on the basis of weight percentage, therefore the mass of lithium would simply be the product of the two, that is:
mass Lithium = 0.188 * 1.70 g
mass Lithium = 0.3196 g = 0.32 g

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