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General Chemistry 1: Solutions and Molality

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All General Chemistry 1Naming CompoundsBalancing Chemical EquationsMole CalculationsChemical FormulasStoichiometryMolarityNet Ionic EquationsRedox ReactionsIdeal Gas LawEnthalpyQuantum TheoryElectron ConfigurationLewis Formulas and ResonanceStates of MatterSolutions and MolalityDimensional Analysis
Mole Fraction Problems

A solution contains 30% w/w NH3_3 (aq) (density: 0.90 g/mL). Find the mole fraction of the solution.

Solutions and MolalityMediumVideo
Mole Percent

What is the mole percent and fraction of each component of a mixture composed of 0.200 mol O2_2 and 0.500 mol N2_2 ?

Solutions and MolalityMediumVideo