The molecular weight of glucose is 181.18 g/mol. To make 250 ml of a 0.25 M glucose solution, you would dissolve ________ g of glucose in 250 ml of water.

Question

Quizplus · Accepted Answer

To make a 0.25 M solution, you need 0.25 moles of glucose per liter. Since you're making 250 ml (0.25 L), you need 0.25 moles/L * 0.25 L = 0.0625 moles of glucose. The molecular weight of glucose is 181.18 g/mol, so the mass of glucose needed is 0.0625 moles * 181.18 g/mol = 11.32 g.

The Molecular Weight of Glucose Is 181