a solution that was 3.78 x 10-3 M had a transmittance of 0.212 when measured in a 2.00-cm cell.

/in /by

a solution that was 3.78 x 10-3 M had a transmittance of 0.212 when measured in a 2.00-cm cell. what concentration of x would be required for the transmittance to be increased by a factor of 3 when a factor of 3 when a 1.00-cm cell was used?