D(O₂)=1,88
Mr(спирта)=D(O₂)×Mr(O₂)=1,88×32=60
CnH2n+1OH=60
12n+2n+17=60
14n=60
n=60÷14=3
Спирт C₃H₆OH
D(H₂)=44
Mr(спирта)=D(H₂)×Mr(H₂)=44×2=88
CnH2n+1OH=88
12n+2n+17=88
14n=71
n=71÷14=5
Спирт C₅H₁₀OH
D(воздух)=4
Mr(спирта)=D(воздух)×Mr(воздух)=4×29=116
CnH2n+1OH=116
12n+2n+17=116
14n=99
n=99÷14=7
Спирт C₇H₁₄OH
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Verified answer
D(O₂)=1,88
Mr(спирта)=D(O₂)×Mr(O₂)=1,88×32=60
CnH2n+1OH=60
12n+2n+17=60
14n=60
n=60÷14=3
Спирт C₃H₆OH
D(H₂)=44
Mr(спирта)=D(H₂)×Mr(H₂)=44×2=88
CnH2n+1OH=88
12n+2n+17=88
14n=71
n=71÷14=5
Спирт C₅H₁₀OH
D(воздух)=4
Mr(спирта)=D(воздух)×Mr(воздух)=4×29=116
CnH2n+1OH=116
12n+2n+17=116
14n=99
n=99÷14=7
Спирт C₇H₁₄OH