What volume (in milliliters) of 0.355 M aqueous ammonia, NH3, could be made from 19.9 mL of concentrated aqueous ammonia (15.0 M)?

(atomic masses: N = 14.01, H = 1.008)

2 answers

mL1 x M1 = mL2 x M2
Substitute.
mL1 x 0.355M = 19.9 mL x 15.0M
Solve for mL1
840.845