Introduction to Chemistry
What is the empirical formula of a compound?
Which statement best describes the difference between empirical and molecular formulas?
How many moles of water are in 36 grams of H2O? (Molar mass of H2O = 18 g/mol)
A compound has an empirical formula of CH2O and a molecular weight of 180 g/mol. What is its molecular formula?
How many molecules are in 2 moles of CO2? (Avogadro's number = 6.022 x 1023)