Admita uma solução aquosa saturada de HCℓ com concentração percentual mássica de 36,5% e densidade igual a 1g/mL. Calcule a concentração molar dessa solução, expressa em mol/L.

6. what does the symbol ah stand for? o one calorie given off by a reaction the specific heat of a substance the heat capacity of a substance the heat of reaction for a chemical reaction

What is the mass of 4 molecules of co2

Suppose the universe were completely empty except for one object-a solid sphere moving through space of 100 km/s. what sort of path would the object be moving in? explain your answer