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How many grams of Ca3(PO4)2 are found in 2.50 moles of calcium phosphate?

According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at

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.

Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule