Which information must be known about a compound to find the molecular formula from the empirical formula? Odensity
O formula mass
O percent composition
O mole ratio

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

Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture