An empty flask has a mass of 47.392 g and 47.816 g when filled with acetone vapor (C3H60) at 100.C and 745 mmHg. If the volume of the flask is 247.31, what is the molar mass of the acetone?

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.

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What element has similar physical and chemical properties as boron.