If 20. milliliters of 1.0 M HCl was used to completely neutralize 40. milliliters of an NaOH solution, what was the molarity of the NaOH solution? A) 0.50 M B) 2.0 M C) 1.5 M D) 4.0 M

a)0.50

Explanation:

took one for the team :

it had to transfer to a care and maintenance mode

< > according to newton's third law of motion, forces always act in equal but opposite pairs. another way of saying this is for every action, there is an equal but opposite reaction.< >