What mass of glucose (C6H12O6) is needed to prepare 200.0 ml of a 2.50 M glucose solution?

Sagot :

The mol number of glucose needed is 2.5*0.2=0.5 mol. The gram formula mass of glucose is 12*6+12+16*6=180 g/mol. So the mass of glucose needed is 180*0.5=90 g.