Calculate the oxidation state of the element underlined. a) Na2O2 (the O is underlined)
b) VO2+ (the V is underlined)
c) ClO3- (the Cl is underlined)
d) Mg3(PO4)2 (the P is underlined)

answer; economic order quantity;

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".