If 1.7 moles of ammonium phosphate reacts with zinc nitrate, what will be the actual yield (in moles) of ammonium nitrate produced if it only has a 62 % yield ?

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Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)

How are the terms group and period used on the periodic table