Ch.3: Determination of formula and Reactions

Front

Empirical formula of compound with 40% C, 6.7% H, 53.3% O

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CH₂O

Front

Molecular formula for CH₂O with molar mass 180.16 g/mol

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C₆H₁₂O₆

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AgNO3 + NaCl → AgCl + NaNO3

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Double displacement / Precipitation

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Values of a, b, c in balanced equation: N2 + H2 → NH3

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1, 3, 2

Front

Empirical formula for 0.200 moles Al and 0.600 moles Cl

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AlCl₃

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Molecular formula: C₆H₆

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Empirical formula: CH

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Type of reaction: 2 KClO3 → 2 KCl + 3 O2

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Decomposition

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CH4 + 2 O2 → CO2 + 2 H2O

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Combustion

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Empirical formula mass of CH₃

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15.04 amu