If a crystal added to an aqueous solution causes many particles to come out of the solution, the original solution was
a. saturated.
b. unsaturated.
c. supersaturated.
d. an emulsion.

Calculate - analysis of compound composed of iron and oxygen yields 174.86 of fe and 75.14g of o. what is the empirical formula for this compound?

16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer