General Chemistry II - Worksheet 28
7. Does a precipitate form when 0.100 L of 0.300 M Ca(NO3)2 is mixed with 0.200 L of 0.060
M NaF?

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.