The semiconductor NiO, which consists of Ni 2+ and O 2 ions, can be reacted with lithium

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The semiconductor NiO, which consists of Ni2+ and O2– ions, can be reacted with lithium to prepare “lithium-doped” Ni1 – xLixO. Suppose x = 0.050.

(a) How many lithium atoms would be present in one mole of the doped material? (Give your answer in moles and as an absolute number of atoms.)

(b) How is it possible to have fractional subscripts?

(c) In order to maintain charge neutrality, something happens to x moles of the Ni atoms. Describe what happens.

(d) How many lithium atoms are present in 10.0 g of the doped semiconductor?

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Introductory Chemistry Atoms First

ISBN: 9780321927118

5th Edition

Authors: Steve Russo And Michael Silver

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