Помогитееееееееее!!!!!!!!!!!!!!!!!

Question

Помогитееееееееее!!!!!!!!!!!!!!!!!

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Answer 1

(98/98*100)/1.89
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Comments

можешь разъяснить?

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v(Cu)=m(cu)/M(Cu)=10/64

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v(Cu)=v(H2SO4)

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V(H2SO4)=M(H2SO4)*v(H2SO4)

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W(H2SO4)*p(H2SO4)