'Bi 3' diaporamas de présentation

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??????????. ?????????. ??. ??? ???????? ??? ????? A ??? ??? ????? B ??? ??? ????? A ??? ??? ????? B ??? ??? ???????? ??? ????????. ??? ????????. ?? ???? ??? ????. ?? ??. ??? ????????? ????????? ???????. 1. ???. ???????????? HCl (aq) ?

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??? ????? A ??? ( ? )

??? ????? A ??? ( ? ). ????????????????. ??. ?? ???? ??? ????. ????. ??? ????????? ????????? ????????? ????????? ?????????. 1. ??? -1. ????? Pb 2+ ? Hg 2+ ? Cu 2+ ? Cd 2+ ? Bi 3+ ? As 3+ ? Sb 3+ ? Sn 4+ ?? 0.3M[H + ] ?? H 2 S ????????.

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?????????????. Northwest University. ?????? I ?????????????. ????. ??????????. ????. ???????? EDTA ?????? ? ??? EDTA ??????????. pH~ 10. ?????. pH 5~6. pH 1~2. ????. ?????????????????. pH = 1 ?????. ? EDTA ??. Bi 3+ Pb 2+. Bi(XO) Bi 3+ Pb 2+. BiY XO

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PROBLEM: Name the following binary, nonionic compounds: (a) NF 3 (b) HI (c) BI 3 (d) PF 5

Nitrogen Triflouride. Step 2 : H is the first element in the compound so it is an acid. It is a binary acid. Hydroiodic acid. PROBLEM: Name the following binary, nonionic compounds: (a) NF 3 (b) HI (c) BI 3 (d) PF 5. Step 3 : 3 = tri. Boron triiodide. Step 4 : 5 = penta.

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