What is 0.866 km to mm in scientific notation

The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false

The footprints of a dinosaur and the burrow of an ancient shrimp are examples of which kind of fossils

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