Перейти к выбору ответа 01.04.2022Визначте відносну молекулярну масу Fe(III) оксиду Выбрать другой вопрос Смотреть ответ Перейти к выбору ответа Химия Вопрос школьника по предмету Химия Визначте відносну молекулярну масу Fe(III) оксиду Ответ учителя по предмету Химия Ответ: формула оксида железа (III) — Fe2O3 Mr (Fe2O3) = 2*Ar (Fe) + 3*Ar (O) = 2*56 + 3*16 = 112 + 48 = 160
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