Вопрос школьника по предмету Химия
Задача 1. Рассчитайте относительную молекулярную массу веществ, формулы которых: H2SO4, Al2O3.
Ответ учителя по предмету Химия
Mr(
H2SO4)=(1*2)+32+(16*4)=98
Mr(
Al2O3)=(27*2)+(16*3)=102
Задача 1. Рассчитайте относительную молекулярную массу веществ, формулы которых: H2SO4, Al2O3.
Mr(
H2SO4)=(1*2)+32+(16*4)=98
Mr(
Al2O3)=(27*2)+(16*3)=102
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