What is the Initial and final concentration of NaoH solution (M) of each beaker?

Beaker B. Volumen of preceding solution taken (ml) 35.00ml

Volumen of water 15.12ml

Beaker C. Volumen of preceding solution taken (ml) 25.00ml

Volumen of water 25.10ml

Beaker D. Volumen of preceding solution taken (ml) 15.00ml

Volumen of water 35.08ml

Beaker E. Volumen of preceding solution taken (ml) 10.00ml

Volumen of water 40.19ml

Beaker F. Volumen of preceding solution taken (ml) 5.00ml

Volumen of water 45.06ml