Вопрос школьника по предмету Химия
серед наведених хімічних реакцій укажіть ті, у результаті яких можна одержати кислоту:
а) Na2SiO3+HCl
б) SiO2+H2O
в) Na2SO4+H2SiO3
г) SO2+H2O
Ответ учителя по предмету Химия
Na2SiO3 + 2HCl = 2NaCl + H2SiO3
H2O + SO2 = H2SO3
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