How much sodium acetate (mol) should be added to 1/4 L solution of 0.1 mol/L acetic acid solution to prepare a buffer of PH 4.76? (PKb=9.24)

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.

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.