At 20 degrees, a saturated solution of sodium nitrate contains 100grams of solute in 100ml of water. How many grams of sodium chloride must be added to saturate the solution at 50 degrees?

for points guys

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".

gasoline is a mixture. it contains several different kinds of compounds that can be present in a variety of ratios.

yes the answer is total mass in unchanged   : )