Solution of the 227 on the chemistry of Shimanovich IL 2001-2004

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227. The reactions expressed by the following scheme:
HNO3 + Ca -> NH4NO3 + Ca (NO3) 2 + H2O
K2S + KMnO4 + H2SO4 -> S + K2SO4 + MnSO4 + H2O
Make electronic equation. Arrange the coefficients in the reaction equation. For each reaction, specify what substance is an oxidizer, which - reducing agent; What substance is oxidized, which - restored.

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After payment You get a ready-made solution to the problem in chemistry from 227 manuals for external students Shimanovich IL 2004. (Same as the manuals in 2001, 2003 - but just in case check against the conditions).
The decision is made in the format WORD (a racshirenie nomer_zadachi.doc). Archived archiver in ZIP archive. The solution passed repeatedly in the leading universities of the country, all the mistakes and shortcomings corrected.

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