CH2 = CH - CH2 - CH2 - CH3
OH OH
Eto strukturnaya formula. Dvuhatomnyy, nepredelniy spirt. Na scet pervicnogo i vtoricnogo somnevayus
C6H5Br + 2NH3 (+P, +T) = C6H5-NH2 (анилин) + NH4Br.
1)Реагирует с SO2
<span><span>SO2</span>+<span>H2O</span>=<span>H2SO<span>3
2)Реагирует с Na
</span></span></span>2Na + 2H2O = H2<span> + 2NaOH
</span><span>3)Реагирует с P2O3
</span><span>Р2O3+3Н2O=2Н3РO3</span><span>
</span>
M(p-pa cax)=300 r + 60 r = 360 r
ω(cax)=60 r/360 r = 0.1667 или 16,67%
Mr(Al2(SO4)3) = 2 •27 + 3 • 32 + 12 •16 = 342
w(Al) = 54 : 342 • 100 % = 16 %
w(S) = 96 : 342 • 100% = 28%
w(O) = 192 : 342 • 100% = 56%