How many moles are in 48.1 grams of FeF3?

According to the tide table below what time of day will the highest tide occur?

This flow chart shows the amount of energy that is emitted by each type of light. ultraviolet > blue light > yellow light > red light (maximum energy) (minimum energy) in an experiment, shining which type of light on a strip of metal would be least likely to produce the photoelectric effect? ultraviolet light dim blue light bright red light bright yellow light

Acontrol during an experiment. might change remains constant does not exist does change