Lithium arsenate (Li3AsO4) and iron nitrate (Fe(NO3)3) are dissolved in water. What precipitate would you expect to form? Write the name and

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Lithium arsenate (Li3AsO4) and iron nitrate (Fe(NO3)3) are dissolved in water. What precipitate would you expect to form? Write the name and formula. (use the solubility table to help)

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Kim Cúc 3 weeks 2021-08-25T02:37:50+00:00 1 Answers 0 views 0

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    2021-08-25T02:39:05+00:00

    Salts with nitrates as the anion are generally soluble in water. The question isn’t quite clear: Are we being asked what precipitate would form if these solutions were mixed together? If that’s the case, the reaction would be as follows:

    Li3AsO4(aq)+ Fe(NO3)3(aq) → 3LiNO3(aq) + FeAsO4(s).

    It is odd that we’re given lithium arsenate dissolved in water to begin with as lithium arsenate should be insoluble. But assuming that it is water-soluble, we can obtain the net ionic equation for the formation of our precipitate:

    Fe3+(aq) + [AsO4]3-(aq) → FeAsO4(s).

    Our precipitate would be iron(iii) arsenate, FeAsO4.

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