October 2021 1 15 Report

У какого из двух веществ, формулы которых приведены ниже, сильнее выражены кислотные свойства: а) H2CO3 или H2SiO3 б) H3PO4 или H2SO4 в) HNO3 или H3PO4?Помогите пожалуйста)

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