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mCH4=12u+4*1u=16u
Stosunek atomowy
C:H=1:4
Stosunek masowy:
mC:mH=12:4=3:1
12u-x%
16u-100%
x=75%C
100%-75%=25%H
%C = 12/16 *100% = 75%
%H = 4/16 *100% = 25%
stosunek masowy : C:H = 12:4 = 3:1
stosunek atomowy : C:H= 1:4