1Он<span> </span>бежит<span> </span>попроводам<span> </span><span>… </span>Свет<span> </span>зажег<span>, </span>нагрел<span> </span>утюг<span> Таня – ты </span>наш<span> </span>лучший<span> </span>друг<span>. </span>Если<span> </span>в<span> </span>атом<span> кто </span><em />попал<span> - </span>То<span>,</span>считай<span>, </span>почти<span> </span>пропал<span>: И </span>с<span> </span>утра<span> </span>и<span> </span>до<span> </span>утра<span> </span>Носится<span> </span>вокруг<span> </span><em />ядра<span>.</span>
Дано
m(C6H12O6)=90 g
--------------------------
V(CO2)-?
90 g X
C6H12O6-->2C2H5OH+2CO2 M(C6H12O6)=180 g/mol , Vm=22.4L/mol
180 2*22.4
90/180 = X/44.8
X=22.4 L
ответ 22.4 л
2CH3-CH2-OH + 2Na = 2CH3-CH2-ONa + H2