Get an AnswerSalem High School, Salem, OH-PHYSICAL S Physical S-The atomic symbol represents potassium40 (K-40)Smart Writing ServicesOctober 25, 2017 10:52 amOctober 25, 2017Previous ArticleHowmuch 25 wt% salt water needs to be mixed with pure water to produce 1 kg of 2 wt% saltNext ArticleWater solution with 2 wt% of NaCl (s) enters an evaporator at a flow rate of 100 kg/h.