A certain reaction produced 14.80 moles of carbon dioxide. How many moles of both Fe2O3 and CO reacted?
Fez 03 (8) + 3CO(g) + 2Fe(s) + 3C02 (9)

A) 14.80 moles of Fe2O3 and 4.933 moles of CO
B)4.933 moles of Fe2O3 and 14.80 moles of CO

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

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

Draw the lewis dot structure for each of the following polyatomic ions