Write the correct formula for the substance having a mass of 322 g and composed of 63.73 % Na2S2O3 and 36.27 % water. This chem lab is called The Quantitative Determination of an Empirical Formula. Any help is appreciated.

What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?

Amixture initially contains a, b, and c in the following concentrations: [a] = 0.300 m , [b] = 1.05 m , and [c] = 0.550 m . the following reaction occurs and equilibrium is established: a+2b⇌c at equilibrium, [a] = 0.140 m and [c] = 0.710 m . calculate the value of the equilibrium constant, kc.

If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?