How many moles of sodium chloride are present in 0.5 L of 4 Molar NaCl(aq) Select one:
O a. 2 moles
O b. 3 moles
c. 8 moles
d. 0.25 moles

the role of the microscope world in creating new materials .

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".