A chemist prepares a solution of potassium iodide (KI) by measuring out 33. umol of potassium iodide into a 100mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in umol/L of the chemist's potassium iodide solution. Round your answer to 2 significant digits.

Which statements are true about electrolysis? check all that apply. electrolysis requires an acid be present. electrolysis is described by two half-reactions. electrolysis is not an industrial process. electrolysis results in commercially valuable products. electrolysis involves the transfer of electrons. reduction results in the loss of electrons. oxidation results in the loss of electrons.

Compare and contrast the bohr model and the electron cloud models of the atom.

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.