Помогите пж с химией 1. дано: 2.дано H2SO4 NaOH ---------- ---------- w(H)-? w(Na)-? w(S)-? w(O)-? w(O)-? w(H)-?

Mr(H₂SO₄)=98 г\моль w(H) = [latex] \frac{2}{98}*100[/latex]%=2% w(S)=[latex] \frac{32}{98}*100[/latex]%=32% w(O)=[latex] \frac{64}{98}*100[/latex]%= 65% Mr(NaOH)=23+16+1=40г\моль w(Na)=[latex] \frac{23}{40}*100[/latex]%= 57,5% w(O)=[latex] \frac{16}{40}*100[/latex]%= 40% w(H)=[latex] \frac{1}{40} *100[/latex]%=2,5%