Solve YOUR homework problem with a step-by-step explanation

a. Mole calculations
· Calculate molecular weight
· Calculate the percent composition of each element in the molecule
· By entering the formula and any of the three quantities (mass, number of moles, or number of molecules), you can calculate the other two quantities.

b. Empirical and Molecular Formulas
· Calculate the empirical formula of a compound by providing the percentage compositions of each element in a molecule, or masses of each element in a sample
· Calculate the molecular formulas if the molecular weight is known

c. Stoichiometric calculations of any given reaction
· Balance the equation for the reaction
· Can convert masses to moles.
· Convert from moles back to grams using molecular weights.
· Use the balanced equation to set up the appropriate mole ratios
· Use the mole ratios to calculate the number of moles of the desired reactant or product
· Find the limiting reagent

d. "Show Work" page displays side-by-side with the solution in explaining how the problem has been solved.

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