Which Solution Has the Same Number of Moles of NaOH

Multiple Choice

Which solution has the same number of moles of NaOH as 50.00 mL of 0.100M solution of NaOH?

A) 20.00 mL of 0.200M solution of NaOH
B) 25.00 mL of 0.175M solution of NaOH
C) 30.00 mL of 0.145M solution of NaOH
D) 50.00 mL of 0.125M solution of NaOH
E) 100.00 mL of 0.0500M solution of NaOH