Bonjour,
paracétamol : C₈H₉NO₂
Masse molaire :
M = 6xM(C) + 8xM(H) + M(N) + 2xM(O)
= 6x12 + 8x1 + 14 + 2x16
= 126 g.mol⁻¹
%C = 6x12/126 ≈ 0,57143 soit 57,143 %
%H = 8x1/126 ≈ 6,349 %
%N = 14/126 ≈ 11,111 %
%O = 32/126 ≈ 25,397 %
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Bonjour,
paracétamol : C₈H₉NO₂
Masse molaire :
M = 6xM(C) + 8xM(H) + M(N) + 2xM(O)
= 6x12 + 8x1 + 14 + 2x16
= 126 g.mol⁻¹
%C = 6x12/126 ≈ 0,57143 soit 57,143 %
%H = 8x1/126 ≈ 6,349 %
%N = 14/126 ≈ 11,111 %
%O = 32/126 ≈ 25,397 %