Химическую формулу C₁₅H₃₂ (CH₃—(CH₂)₁₃—CH₃)
Mr(C₁₅H₃₂)=12x15+32=180+32=212
ω(C)=180÷212=0,849 ω%(C)=ω(C)×100%=0,849×100%=84,9%
ω(H)=32÷212=0,151 ω%(H)=ω(H)×100%=0,151×100%=15,1%
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Химическую формулу C₁₅H₃₂ (CH₃—(CH₂)₁₃—CH₃)
Mr(C₁₅H₃₂)=12x15+32=180+32=212
ω(C)=180÷212=0,849 ω%(C)=ω(C)×100%=0,849×100%=84,9%
ω(H)=32÷212=0,151 ω%(H)=ω(H)×100%=0,151×100%=15,1%