Ответ:
Объяснение:
Mr(Ba(OH)2) = 137 + 16*2+1*2 =171
W(Ba) = Ar(Ba) *n / Mr(Ba(OH)2) *100% = 137 *1 / 171 *100% =80%
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Ответ:
Объяснение:
Mr(Ba(OH)2) = 137 + 16*2+1*2 =171
W(Ba) = Ar(Ba) *n / Mr(Ba(OH)2) *100% = 137 *1 / 171 *100% =80%