Предмет: Химия, автор: Moon0girl

Высший оксид и гидроксид элемента главной подгруппы 6 группы периодической системы соответствуют общим формулам:

А) RO2 и H2RO3. Б) R2O5 и H3RO4
B) RO3 и H2RO4. Г) R2O7 и HRO4

tockasobaka79: Давай я решу за 10гривен

Moon0girl: Не

Ответы

Автор ответа: maksivaniv2010

1

Ответ:B) RO3 и H2RO4

Объяснение:

Moon0girl: Спасибо огромное за два решения

maksivaniv2010: Та незачто

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