Answer:
2700g glucose
Step-by-step explanation:
If we want 3 mol/L in 5L we must have 15 moles of glucose because 3 x 5 = 15.
The molar mass of glucose is given as 180 g/mol
to cancel moles from the equation we multiply the molar mass by the number of moles. 180 x 15 = 2700.
2700g glucose