If we took 100mL of pop with a concentration of 4.5 mol/L and diluted it to 250mL, what would be the resulting concentration of the pop?

Answer 1

Use the dilution equation:

M_iV_i = M_fV_f

Rearrange and solve for M_f

M_f = M_iV_i / V_f = (4.5 mol/L x 100 mL) / 250 mL = 1.8 mol/L