A 0.1 M solution of compound A shows 50% transmittance when a cell of 1 cm width is used at 1 nm. Another 0.1 M solution of compound B gives the optical density value of 0.1761 using 1cm cell at 1 nm. What will be the transmittance of a solution that is simultaneously 0.1 M in A and 0.1 M in B using the same cell and at the same wave length? [log 1.301; log 1.4771; log 50 = 1.699].

A 0.1 M solution of compound A shows 50% transmittance when a cell of

1.	A 0.1 M solution of compound A shows 50% transmittance when a cell of 1 cm width is used at ₁ nm. Another 0.1 M solution of compound B gives the optical density value of 0.1761 using 1cm cell at ₁ nm. What will be the transmittance of a solution that is simultaneously 0.1 M in A and 0.1 M in B using the same cell and at the same wave length? [log 1.301; log 1.4771; log 50 = 1.699].
A.	33.3%
B.	50%
C.	66.7%
D.	70%
Answer» B. 50%