Metals which has soluble carbonate and sulfate

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.

What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?

Can someone me with 6 to 10 plz this is for masteries test.