(10) chemistry questions

2007-09-25 1:41 am
Formula of compound: FeCl3 . 7H2O
Name of compound: (1)


Formula of compound: MnSO4 . 5H2O
Name of compound: (2)

Formula of compound: FeCl2 . 4H2O
Name of compound: (3)

Find to answers of (1) , (2) , (3)

回答 (2)

2007-09-25 1:58 am
✔ 最佳答案
(1) Iron(III) chloride 3-water
/ Iron(III) chloride trihydrate

(2)Manganese(II) sulphate/sulfate 5-water
/Manganese(II) sulphate/sulfate pentahydrate

(3)Iron(II) chloride 4-water
/Iron(II) chloride tetrahydrate

but we seldom name the water of crystallization
simply take:
1)Iron(III) chloride
2)Manganese(II) sulphate/sulfate
3)Iron(II) chloride

2007-09-24 18:01:13 補充:
Re: jesper_hlDon't you see that there is a ‧xH2O behind those compounds?Anhydrous means no WATER OF CRYSTALLIZATION!ALL those compound contain water of crystallization.Be careful of this.^^
參考: My knowledge
2007-09-25 1:50 am
(1) Anhydrous Iron(III) Chloride

(2)Anhydrous Manganese(II) Sulphate

(3)Anhydrous Iron(II) Chloride

Hope it can help you
參考: Myself


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