The balanced equation for the reaction of bromate ion with bromide in acidic solution is at a particular instant in time, the rate of disappearance of br– is 2.0 x 10⁻³ mol/l • s. what is the rate of appearance of br₂ at the same instant?

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

Anurse used a 0.02-mg/l solution of disinfection to clean a patients wound. what is the concentration of the solution expressed as a percentage?

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