Очень срочно !!!!!!!! !!!!!!! !!!!!!!

Question

Очень срочно !!!!!!!! !!!!!!! !!!!!!!

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Answer 1

1)2FE(OH)2->FE2O3+3H2O
2)CU(OH)2+2HCL-> CUCL2+2H2O
3)2NA+2HCL->2NACL+H2
4)FE2O3+ 3H2SO4->Fe2(SO4)3 + 3H2O