La masa molecular del agua es 18,02 g/mol. ¿Cuántos moles de agua hay en 24,3 g de agua?

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.

Convert .347 kilometers to miles show your work