Question

help
given ammonia from stock 25%v/v
need to get 100 cm^3 ammonia that is 2M/L
density of stock solution is 0.9 g/cm^3
what amount of stock solution do i need?

Answer 1

not sure, i would guess 90 g since density is .9g/cm^3 and you need 100 cm^3 of ammonia.

I may not be understanding the question though