To prepare 1 liter of a 0.3M glucose solution: - put 54g of glucose in a 1 liter vial - then, fill the vial with water to the 1 liter mark and shake.

To prepare 1 liter of a 0.3M NaCl solution: - put 17.6g of NaCl in a 1 liter vial - Then, fill the vial with water to the 1 liter mark and shake.

To prepare 1 liter of a 0.3M CaCl2 solution: - put 33.3 g of CaCl2 in a 1 liter vial - then, fill the vial with water to the 1 liter mark and shake.

To prepare 1 liter of a 0.3M NaCl, 0.3M glucose solution: - put 17.6 g of NaCl and 54g of glucose in a 1 liter vial - then, fill the vial with water to the 1 liter mark and shake.