jai un DM de physique urgent merxii d'avance.

7,00g/0,200L= 35 T = 35
C=n/v
C6H12O6=(6*12)+(12*1)+(6*16)=180g.mol-1
C12H22O11= (12*12)+(22*1)+(11*16)=342 g.mol-1
Na+=23,0 g.mol-1
n=m/M 23+342+180=545 7/545=0.01
0.01/0.200= 0.05 C = 0.05