Jawabanmu

2014-01-31T23:03:33+07:00
Rumus Titrasi :
M₁ . V₁ = M₂ . V₂
M₁ . 40 = 15 . 0,1
M₁ = 1,5/40
= 0,0375 M

2014-02-01T06:16:17+07:00
M1.V1 = M2.V2
M1.40 = 15.0,1
M1 =  \frac{1,5}{40}
=0,375 M