Объяснение:
Найти:
W(AL)-?
W(S)-?
W(O)-?
Mr(Al2(SO4)2)=27*2+(32+16*4)*2=246
W(AL) = 27*2/246 = 0,22 = 22%
W(S) = 32*2/246 = 0,26 = 26%
W(O) = 16*8/ 246 = 0,52 = 52%
Объяснение:
Найти:
W(AL)-?
W(S)-?
W(O)-?
Mr(Al2(SO4)2)=27*2+(32+16*4)*2=246
W(AL) = 27*2/246 = 0,22 = 22%
W(S) = 32*2/246 = 0,26 = 26%
W(O) = 16*8/ 246 = 0,52 = 52%