How can solubility you identify a substance

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

22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na,so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g

Word equation for k+ h2o yield koh + h2