How many atoms of phosphorus are represented by one formula unit of calcium phosphate?

a. 3
b. 6
c. 9
d. 12
e. 18

The concept of empiricism states that all rationally accepted knowledge is determined from experience. francis bacon was one of the first scientists to promote this theory. what was it’s impact on society?

Consider the point on the plot where 10.0 g of naoh have been added. what amount of naoh, in moles, has been added? 0.308 mol fecl3 initially present

What is the number of moles in 15.0 g ash3?