How many grams of sodium chloride are present in a 0.75 m solution woth volume of 500.0 milliliters?

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

What is the molecular weight of copper

In vapor-liquid equilibrium in a binary mixture, both components are generally present in both phases. how many degrees of freedom are there for such a system? the reaction between nitrogen and hydrogen to form ammonia occurs in the gas phase. how many degrees of freedom are there for this system? steam and coal react at high temperatures to form hydrogen, carbon monoxide, carbon dioxide, and methane. the following reactions have been suggested as being involved in the chemical transformation: