How many moles are in 3.94 x 1023 molecules of c6h14?
a. 0.654 moles
b. 4.57 x 1021 moles
c. 3.395 x 1025 moles
d. 2.37 x 10 47 moles

Easy definition for atom and atomic mass

Acompound contains c, h, and o atoms. when 1.130 g of the compound is burned in oxygen, 1.064 g co2 and 0.3631 g h2o are produced. what is the empirical formula of this compound?

How many liters of oxygen gas, at standard temperature and pressure, will react with 35.8 grams of iron metal? 4 fe (s) + 3 o₂ (g) → 2 fe₂o₃ (s)