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📊 Даны растворы с одинаковой молярной концентрацией:

📊 Даны растворы с одинаковой молярной концентрацией:

1) KHCO₃, 2) Cu(NO₃)₂, 3) K₂SO₄, 4) HBr. В каком порядке возрастает pH этих растворов?


1. 2431
2. 4231
3. 4321
4. 1324
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