How many moles are there in 8.50 X 10^24 molecules of sodium sulfate, Na2SO3?

(Molecules to Moles)

A.) 51.2 moles

B.) 5.12x10^48 moles

C.) 14.1 moles

D.) 1.40 Moles

Put the following orbitals in the correct order based on the Aufbau principle: 1s, 2s, 3s, 3p, 4s, 2p, 3d

Which of the following must crystalline solids have? A. Carbonates B. Cubic structures C. Orderly arrangement of atoms D. Cleavage

How is Deposition a exothermic reaction?

Ethan pushes a wooden box across a carpeted floor. Then he pushes the same box across a smooth marble floor. Why does Ethan find it easier to push the box on the marble floor than on the carpeted floor?

Besides temperature and precipitation, which other factor does the Köppen climate classification system use to define climate regions? altitude hemisphere solar energy vegetation?

How are natural polymers and synthetic polymers similar? A) Both are made up of phosphates and organic bases B) Both serve important roles in producing amino acids C) Both are made up of monomers that are linked by covalent bonds

How can the solubility of a solution be increased? By increasing the temperature. By decreasing the temperature. By increasing the amount of solvent added. By decreasing the amount of solvent added.

Read the scenario. Ammonia is obtained from a reaction between nitrogen and hydrogen gases. The mole ratio between hydrogen gas and nitrogen gas is 3 to 1, and the mole ratio between ammonia and hydrogen gases is 2 to 3.

Transmutation is the process of transforming one element into another through nuclear reactions. What will be the nuclide produced when Cf-249 is bombarded with C-12? Four neutrons are also produced by the reaction.

State the formula for density in words and mathematical symbols.