The exothermic dissolution of Ca(OH),(s) in water is represented by the equation above. The Ksp of Ca(OH), is 6.5 x 10-6. Which of the following changes will
increase the solubility of Ca(OH), in an aqueous solution?

1. combine iron and copper (ii) sulfate solution. (hint: iron will form the iron (iii) ion) fe + cuso4 → 2. combine lead (ii) nitrate and potassium iodide solutions. pb(no3)2+ kl → 3. combine magnesium metal and hydrochloric acid solution. mg + hcl → 4. electrolysis (splitting) of water. h2o → 5. burning magnesium. mg + o2 →

Which of these conditions most likely produces an unstable isotope?

What term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable