10 сульфат в кислой среде может повлиять на йодид калия на 0,6 л (r = 1,04 г / см3) на 6% с раствором kmno4, и сколько я могу запомнить?

240*4=960 детей записано в библиотеку                                                                960+240=1200 человек записано в библиотеку                                                         (1200-240=960     960: 4=240)                       

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Объяснение:

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