<span>2) пропен
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Формула фруктозы: C6H12O6
Mr(C6H12O6) = 6*12 + 12 + 6*16 = 180
6Ar(C) = 6*12 = 72
w(C) = 6Ar(C) / Mr(C6H12O6) = 72/180 = 0.4 * 100% = 40%
2HNO3 + CaCl2 -> Ca(NO3)2 + 2HCl
HCl + AgNO3 -> AgCl + HNO3
2AgCl -> 2Ag + Cl2
1) CH4+Cl2= CH3Cl+HCl
2CH3Cl+2Na= C2H6+2NaCl
2) C3H8= C3H6+H2
C3H6= C3H4+H2
3)C4H10 = H3- CH- CH2- CH3
/
CH3