'0g mol' presentation slideshows

Chapter 10 Notes

Chapter 10 Notes. Mole Representative Particles Molecular Mass (mm) - gam used for atoms - gmm used for molecules - gfm used for formula units Mole Volume Mixed Mole Conversions. The Mole. A dozen is a counting number that means 12. The mole is a counting number.

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Percent Composition

Percent Composition. Can be calculated if given: masses of elements in compound OR the chemical formula. Percent Composition. Can be used to: ? calculate the mass of elements in a compound ? determine the empirical formula of a compound ? determine the molecular formula of a compound.

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Applications of the Mole Concept Percent Composition Empirical Formula

Applications of the Mole Concept Percent Composition Empirical Formula. The makeup of a compound by mass. How does it work?. Determine the molar mass of the compound Divide each part by the molar mass Multiply by 100. Examples. H 2 O Molar mass = 18.02g H 2 = 2.02g O = 16.00g

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Limiting and Excess Reagents

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Using Solution Molality

Using Solution Molality. By Gabriel Hannawi. How many grams of potassium iodide must be dissolved in 500.0g of water to produce a 0.060 molal KI solution?. Known: Mass of water-500.0g Solution concentration-0.060m Molar mass KI-166.0g/mol Unknown: Mass of solute- xg KI.

166 views • 4 slides