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1 L larutan = 0,786 kg
Mr = 60,1 g/mol -> M1 = m:Mr = (2,5×0,786):60,1= 0,0326 L
M2 = 0,8 M
V2 = 35,47 mL = 0,3547 L
V H2O?
M1×V1 = M2×V2
0,0326×2,5=0,8(0,3547+V H2O)
0,0815=0,8×0,3547+0,8×V H2O
0,0815=1,0837×V H2O
0,0815:1,0837=V H2O
0,0752 L = V H20
752 L= V H20