Question

if 4.0 ml of 0.20 m nacl is diluted by addition of 1.0 ml water, calculate the m concentration of the new solution.

Answer 1

0.8 m of nacl

Step-by-step explanation:

Using the dilution formula m1 v1 = m2 v2 and substation we get .20(4)=m2(1) and after solving for m2 via algebra we get .08 m of nacl