Chemistry

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  Solution of task 226 of Chemistry Book Shimanovich 2003

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  Solution of task 229 of Chemistry Book Shimanovich 2003

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  Solution of task 233 of Chemistry Book Shimanovich 2003

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  Solution of task 234 of Chemistry Book Shimanovich 2003

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  Solution of task 238 of Chemistry Book Shimanovich 2003

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  Solution of task 243 of Chemistry Book Shimanovich 2003

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  Solution of task 245 of Chemistry Book Shimanovich 2003

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  Solution of task 247 of Chemistry Book Shimanovich 2003

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  Solution of task 251 of Chemistry Book Shimanovich 2003

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  Solution of task 252 of Chemistry Book Shimanovich 2003

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  Solution of task 270 of Chemistry Book Shimanovich 2003

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  Solution of task 271 of Chemistry Book Shimanovich 2003

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  Solution of task 275 of Chemistry Book Shimanovich 2003

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  Solution of task 286 of Chemistry Book Shimanovich 2003

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  Solution of task 287 of Chemistry Book Shimanovich 2003

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  Solution of task 291 of Chemistry Book Shimanovich 2003

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  Solution of task 292 of Chemistry Book Shimanovich 2003

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  Solution of task 295 of Chemistry Book Shimanovich 2003

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  Solution of task 300 of Chemistry Book Shimanovich 2003

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  Solution of task 314 of Chemistry Book Shimanovich 2003

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