Question

помогитееееееееее!!!!!!!!!!!!!!!!!

Answer 1

(98/98*100)/1.89
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Answer 2

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

Answer 3

v(Cu)=v(H2SO4)

Answer 4

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

Answer 5

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Answer 6

W(H2SO4)*p(H2SO4)