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Chemistry, 07.09.2021 14:00 dakotagorski05
. Biết PTK của một hợp chất tạo nên từ nguyên tố B(II) và nhóm (PO4) có phân tử khối 310 đvC.
a- Tìm nguyên tố B.
b- Viết CTHH hợp chất tạo bởI NTHH B và các nhóm nguyên tử còn lại là : sunfat , cacbonat, nỉtrat , hiđroxit.
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. Biết PTK của một hợp chất tạo nên từ nguyên tố B(II) và nhóm (PO4) có phân tử khối 310 đvC.
a- T...
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