Normally for an op amp to drive an ADC you look for low DC offset, low drift over temp, and low noise. A 741 is about as bad as they come for these specs. An ADC0804 being only an 8 bit ADC noise performance is not that important unless going with a lot of gain in front of ADC.
With a gain of 69.1 you need to pay attention to op amp DC offset drift. It is desirable to keep drift to less then 1/16 to 1/8 of 1 bit resolution.
The ADC0804 is going to be about 17-18 mV per step so its ADC input DC drift should be less then 1 or 2 mV dc. A standard op amp will have a worse case 1 mV input offset. Gain that up and you have a significant offset to null out at ADC calibration. Then you need op amp not to drift its offset versus temp.