If we begin with 8 mL of a glucose solution with a concentration of 0.25 mol L-1 and dilute it to a volume of 0.5 L, what is the concentration of the final, diluted solution?
1) 0.002 mol L-1
2) 0.02 mol L-1
3) 0.004 mol L-1
4) 0.04 mol L-1
5) 0.4 mol L-1