Respuesta :

914 mL

Use the dilution equation M1V1 = M2V2
M1 = 1.06 M
V1 = 750 mL
M2 = 0.870 M
V2 = ?

(1.06 M)(750 mL) = (0.870 M)V2

Solve for V2 and you get 914 mL.