Cómo se pueden proteger los alimentos para que no se descompongan o pudran

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution? a. 3.88 m, b. 1.03 m, c. 1.5 m, d. 15.5 m

What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?

In the experiment you asked to react hydrochloric acid and with sodium hydroxide. when measuring the volume of the reactants, which instrument would give the greatest precision.