answer the following questions about a 1.745g sample of caso4 + 2h2o . what percent of the hydrate is water? HELP PLS

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 →

Stage in which a star’s outer layers have started to cool and grow outward?

Structure of the atoms: discovery of the nucleus in 1909i need answering all of these questions