срочно!!!!!!
33 х
Ca3(PO4)2+3H2SO4 = 2H3PO4 +3CaSO4
310 196
х = 20.86 граммов
20. 86 = 100
х = 80
х = 16.68 = 16.7 граммов
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33 х
Ca3(PO4)2+3H2SO4 = 2H3PO4 +3CaSO4
310 196
х = 20.86 граммов
20. 86 = 100
х = 80
х = 16.68 = 16.7 граммов