A common stain remover is sold in concentrated form as 3M sodium hypochlorite (NaOCl). You need to create 400 milliliters of a 0.5M solution of sodium hypochlorite to fill a spray bottle. What volume of 3M sodium hypochlorite is needed?

15.0 mL

66.7 mL

133 mL

167 mL

Question

A common stain remover is sold in concentrated form as 3M sodium hypochlorite (NaOCl). You need to create 400 milliliters of a 0.5M solution of sodium hypochlorite to fill a spray bottle. What volume of 3M sodium hypochlorite is needed?
    		
    15.0 mL
    		
    66.7 mL
    		
    133 mL
    		
    167 mL

ipwnbunnies · Answer

$$M_{1}V_{1} = M_{2}V_{2}$$

ipwnbunnies · Answer

Where M is the molarity and V is the volume, which is supposed to be in liters. But you can keep the milliliters since the answer is also in milliliters.