86.4 g of an unknown compound containing iron, phosphorus and oxygen, was analyzed to contain 40.5 g of iron and 14.9 g of phosphorus. What mass of oxygen is present in the sample?

Where can i find naap lab answers sheet/key?

During which time interval does the object travel approximately 10 meters

How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process