An aqueous solution of yeast nucleic acid of length 2.0*10^-2m and concerntrated 2.0mol m-3 has an absorptivity of 25m2 mol-1 at a certain wavelenght. calculate the percentages tranmission at this wavelenght. this is an example that i dont understant, please help me to simplify it and explain it more for me. you can send me as many example as possible. thank you for your kind attention.