The Lewis electron-dot structure of the molecule H2CO has _ 2 nonbonding electron pairs, ___ 4 bonding electron pairs, and a bond order of _ 1.33 . (enter the c orrect numbers)

Calculate the h3o+ concentration in a solution of acetic acid if the concentration of molecular acetic acid present at equilibrium is 9.97x10^-3 m and k for the dissociation is 1.86x10^-5. ch3cooh(aq)+h2o(> h3o^+(aq)+ch3coo^-(aq)

What forms when chemical reactions combine pollution with sunlight?

The molar mass of iron(fe) is 55.8 g/mol. what is the mass in grams of 2.25 moles of iron?