9-2
10-2
<span>//минимум-20-символов\\</span>
<em><span> 2 х </span></em>
<em><span>C4Н10+6.5О2 = 4СО2+5Н2О </span></em>
<em><span> 1 145.6</span></em>
<em><span> х = <u>291.2 литров </u></span></em>
<span> </span>
<em><span> х 3 </span></em>
<em><span><span>С5Н12+8О2 = 5СО2+6Н2О</span></span></em>
<em><span><span> 22.4 8</span></span></em>
<em><span><span> х =<u> 8.4 литров </u></span></span></em>
<em><span>
</span></em>
CaCl2+2AgNO3=2AgCl↓+Ca(NO3)2
n(CaCl2)=m/M=33.3/111=0.3 моль
n(CaCl2)=2n(AgCl)
m(AgCl)=n*M=0.6 моль *143,5г/моль=86,1г
С6h6+3h2=c6h12
ch2=ch-ch3+Br2 = Ch2br-chbr-ch3
c2h2+ HCl = Ch2=ChCl