College Chemistry Help please

Question

What volume (mL) of a 4% (m/v) NaOH solution contains 15 g NaOH?

A) 3.75 mL

B) 375 mL

C) 13 mL

D) 120 mL

Answer 1

The definition of 4% (m/v) is 4 g NaOH/100 ml solution

Set up a simple proportion ... 4 g/100 ml = 15 g/x ml

x = 375 ml