Предмет: Химия, автор: A1H1S1

h2so4, so2, na2s, so3, h2s, k2so3
Разделите на:
а. Две группы и укажите критерий классификации
б. Три группы и укажите критерий классификации

Ответы

Автор ответа: zberovskayap43s1j
5

H₂SO₄ , SO₂ , Na₂S , SO₃ , H₂S , K₂SO₃

а) На 2 группы:

1. Вещества, молекулы которых состоят из 2 элементов:

SO₂ , Na₂S , SO₃ , H₂S

2.  Вещества, молекулы которых состоят из 3 элементов:

H₂SO₄ , K₂SO₃

б) На 3 группы:

1. Оксиды:  SO₂ ,  SO₃

2. Кислоты: H₂SO₄ ,  H₂S

3. Соли:  Na₂S , K₂SO₃

Автор ответа: alinacrasotca888
0

Ответ:

я конечно не уверена, но вот что получилось

А)

1 группа - ( S + ) H2SO4 ; SO2 ; SO3; K2SO3

2 группа- ( S - ) NAS ; H2S ;

B)

1 группа - ( кислоты ) H2SO4 ; H2S ;

2 группа - ( оксиды ) SO2 ; SO3 ;

3 группа - ( соли ) NA2S ; K2SO3

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