%
R - элемент
X - вещество
Mr (CO₂) = 12 + 2*16 = 44
w (C) = 12/44 = 0,273 = 27,3%
w (O) = 32/44 = 0,727 = 72,7%
Mr (H₂O₂) = 2*1 + 2*16 = 34
w (H) = 2*1/34 = 0,059 = 5,9%
w (O) = 2*16/34 = 0,941 = 94,1%
%
R - элемент
X - вещество
Mr (CO₂) = 12 + 2*16 = 44
w (C) = 12/44 = 0,273 = 27,3%
w (O) = 32/44 = 0,727 = 72,7%
Mr (H₂O₂) = 2*1 + 2*16 = 34
w (H) = 2*1/34 = 0,059 = 5,9%
w (O) = 2*16/34 = 0,941 = 94,1%