Предмет: Химия, автор: Zhuldyzznaija

m(k)=20гр
m(h2o)=200гр
w(KOH)-?

Помогите

Ответы

Автор ответа: valeriakoval2707Lera

Ответ:

9.09

Объяснение:

W=m(k)+m(h2o)

__________ *100%

m(k)

W=220

___*100%=9.09

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m(k)=20гр m(h2o)=200гр w(KOH)-? Помогите

Ответы

m(k)=20гр
m(h2o)=200гр
w(KOH)-?

Помогите