What mass of HIO3, iodic acid, is produced when 67.6 grams of iodine reacts with nitric acid, HNO3? (molar masses: HNO3 = 63.0: I2 = 253.8; HIO3 = 175.9; NO2 = 46.0; H2O = 18.0) 10 HNO3 + I2 --> 2 HIO3 + 10 NO2 + 4 H2O

he uptake of drugs from the intestine is often strongly influenced by diffusion. for example, consider a water-insoluble steroid for treating inflammation that is solubilized in aggregates of detergent molecules, called micelles. these micelles, aggregates of 80 soap molecules, have a molecular weight of 24,000, a diameter of 2.6 nm, and a charge of -27. the positively charge ions (counterions) in this system are na".