What is the molality of acetone in a solution composed of 255 gm of acetone (CH3)2CO, dissolved in 200 gm of water?

What are the concentrations of hydroxide and hydronium ions in a solution with a ph of 10.2?

Write a brief passage describing a neutral atom of nitrogen-14 (n-14). describe the number of protons, neutrons, and electrons in the atom, where each type of particle is located, and how the terms atomic number, mass number, and atomic mass are related to the particles. use the periodic table to you. 14 protons and eletrons since its a neutral atom

Explain which group an element with the electron configuration 1s2 2s2 2p6 3s2 3p6 3d1 4s2 belongs to.