You have a stock solution of 14.8 m nh3. how many milliliters of this solution should you dilute to make 100.0 ml of 0.250 m nh3?
M1V1 = M2V2
14.8(V1) = (100.0)(0.250)
V1 = 1.69 mL needed
Hope this answers the question.
i think it's c. i'm not sure but i think so.
thats how its supposed to be