M(rastvora)=100sm3*1.275g/sm3=127.5g
m(NaOH)=127.5*0.25=31.875g
12x1 8.125/8.125=1
31.875
40x2 19.875/8.125=2.5
n(x1)=1/3.25=0.31
n(x2)=2.5/=0.69
m1(NaOH)=127.5*0.31=39.125g
m2(NaOH)=127.5*0.69=87.975g
Наука о веществах и их соединениях
KAlO2+2KOH=K3AlO3+H2O
K3AlO3+3H2O=K3[Al(OH)6]
K3[Al(OH)6]+6HCl=3KCl+AlCl3+6H2O
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2Ch4=t, al2o3 = C2H2+3h2
c2h2+hbr=c2h3br-вещество х
c2h3br+hbr=c2h4br2