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To eliminate the possibility of sulfate ions
Chemistry
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Hapa kuna muhtasari wa maelezo kutoka kwenye daftari lako:
1. Mtihani wa Ioni za Sulfati ():
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Kutumia Barium Nitrate:
- Ioni za Barium () hugusana na ioni za sulfati () kuunda barium sulfati (), ambayo ni mchanga mweupe usioyeyuka.
- Mlinganyo wa kemikali:
- Suluhisho hutiwa asidi kwanza (kwa kawaida na asidi ya nitriki iliyopunguzwa) kabla ya kuongeza barium nitrate. Hii inazuia uundaji wa mchanga mweupe wa chumvi nyingine za barium (kama vile barium carbonate) ambazo zinaweza kuunda katika suluhisho lisilo na asidi.
-
Kutumia Lead(II) Nitrate:
- Wakati lead(II) nitrate () inapoongezwa kwenye suluhisho lenye ioni za sulfati, mchanga mweupe wa lead(II) sulfati () huundwa.
- Mlinganyo wa kemikali:
- Mchanga mweupe huu hauyeyuki inapopashwa moto, jambo linalothibitisha uwepo wa ioni za sulfati.
2. Miitikio ya Klorini na Hidroksidi:
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Klorini na hidroksidi baridi, iliyopunguzwa (k.m., au ):
- Klorini hugusana na hidroksidi baridi, iliyopunguzwa kuunda kloridi, hypochlorite (chlorate(I)), na maji.
- Mlinganyo wa kemikali (kwa ):
- Mlinganyo wa kemikali (kwa ):
-
Klorini na hidroksidi moto, iliyokolea (k.m., ):
- Klorini hugusana na hidroksidi moto, iliyokolea kuunda kloridi, chlorate(V), na maji.
- Mlinganyo wa kemikali (kwa ):
3 zimekamilika, zimebaki 2 leo. Unapiga hatua.
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