👤

calculati masa de solutie de acid sulfuric de concentratie 49% care reactioneaza cu 320g oxid

Răspuns :

c=49%
md=320g
ms=?
c=
[tex] \frac{md}{ms} *100[/tex]⇒ms=[tex] \frac{md*100}{c}= \frac{320*100}{49}= \frac{32000}{49}= aproximativ 653,06g [/tex]