Question

ДАЮ 100 БАЛЛОВ, СРОЧНО!!​

Answer 1

Объяснение:

m(H2SO4)=25г

m(H2O)=175г

w(H2SO4)=?

w(H2SO4)=m(H2SO4)×100%/mрозч= m(H2SO4)×100%/(m(H2SO4)+m(H2O))= 25×100%/(25+175)=12.5%