A sodium hydroxide solution that contains 37.5 grams of NaOH per L of solution has a density of 1.19 g/mL. Calculate the molality of the NaOH in this solution.

This drawing shows a human body system. what is the primary function of this body system?

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.