Video: Dab tsi yog qhov sib npaug ionic rau cov tshuaj tiv thaiv ntawm aqueous lead II nitrate nrog aqueous sodium bromide?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Cov Cov tshuaj tiv thaiv ntawm aqueous sodium bromide thiab dej lead ( II ) nitrate yog sawv cev los ntawm kev sib npaug net ionic equation . 2Br−(aq)+Pb2+(aq) →PbBr2(s) 2 B r − (a q) + P b 2 + (a q) → Pb B r 2 (s).
Ntxiv mus, dab tsi yog qhov tseeb net ionic sib npaug rau cov tshuaj tiv thaiv ntawm aqueous lead ii nitrate thiab aqueous sodium iodide?
Lead II nitrate thiab sodium iodide teb ua form sodium nitrate thiab lead II iodide . Cov tshuaj sib npaug kev sib npaug yog Pb(NO3)2 +2NaI ---> 2NaNO3 + PbI2.
Ib tug kuj yuav nug, dab tsi yog qhov net ionic kab zauv qhia? Cov net ionic equation yog tshuaj kev sib npaug uas qhia tsuas yog cov ntsiab lus, cov khoom sib txuas, thiab ions uas ncaj qha koom nrog cov tshuaj tiv thaiv.
Ib sab ntawm qhov no, dab tsi yog qhov khoom ntawm cov tshuaj tiv thaiv ntawm aqueous daws ntawm lead nitrate thiab sodium carbonate?
Pb (NO3)2 + Na2CO3 → PbCO3 + 2 NPO. Coj (II) nitrate teb nrog sodium carbonate los tsim coj (II) carbonate thiab sodium nitrate . Coj (II) nitrate thiab carbonate sodium - concentrated kev daws teeb meem . Qhov no tshuaj tiv thaiv Nws yuav siv sij hawm qhov chaw ntawm qhov kub ntawm 10-12 ° C.
Dab tsi yog aqueous lead?
Nws piav txog kev tsim ntawm coj (II) hydroxide, coj (II) chloride, coj (II) iodide thiab coj (II) sulfate. Vim ntau coj (II) cov tebchaw yog insoluble, ib qho chaw ntawm dej lead (II) ions yog coj (II) nitrate; qhov chaw no yog assumed nyob rau hauv tag nrho cov piv txwv nram qab no.
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