Chemistry, 09.09.2021 14:10 seaans20391

Cho 2 hợp chất có CTHH :Y3(PO4)2 và X(OH)3 a) Tìm hóa trị của nguyên tố X và Y.
b) Tìm 2 nguyên tố X và Y biết tổng NTK là 164đvC và hiệu NTK là 110 đvC

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Cho 2 hợp chất có CTHH :Y3(PO4)2 và X(OH)3 a) Tìm hóa trị của nguyên tố X và Y.
b) Tìm 2 ngu...