... (mol) AgNO3 / NH3 Cx(H2O)z 2Ag MX = 180 X l C6(H2O)6 hay C6H12O6 CTCT dng mch h: CH2OHCHOHCHOHCHOHCHOHCHO (glucoz) hoc CH2OHCHOHCHOHCHOHCOCH2OH (fructoz) Thớ d Vi cng cc i ca quỏ trỡnh quang ... x =12 0,0075.y = 0,165 y = 22 M M = 342 12. 12 + 22.1 + 16.z =342 z =11 X l C12H22O11 (mantoz) Cỏch 2: Cn(H2O)m + nO2 nCO2 + mH2O 0,015 0,015.n 0,015.m (mol) n =12 v m = 11 CTPT l C12(H2O)11 ... C6H12O6 2Ag n C H12 O6 = 2,16 = 0,01 (mol); m C H12 O6 = 0,01 180 = 1,8 (gam) 108.2 Phn 2: Xy phn ng thu phõn tinh bt: H SO (C6H10O5)n + nH2O nC6H12O6 AgNO3 / NH3 C6H12O6 2Ag n C H12...