What volume of 6.00 m naoh solution is required to prepare 0.50 ml of 0.15 m naoh solution a. 12.5 ml of naoh b. 25 ml of naoh c. 30 ml of naoh?

6) (a) calculate the absorbance of the solution if its concentration is 0.0278 m and its molar extinction coefficient is 35.9 l/(mol cm). the depth of the cell is 5 mm. (b) what is the %t? (7) calculate the absorbance of the solution if the transmitted light intensity is 70% of the initial light beam intensity