1. Chemical Quantities Molar Mass Molar Volume Avogadro’s Number Mole Road Map Glencoe Chapter 10.1-10.3

2. Ratio Problem Solving: Review Conversions can be done easily utilizing the following steps: 1. Identify given quantity and units. 2. Identify desired units. 3. Make ratio of desired units to given units (desired/given) 4. Make equation as follows: _____desired units = given units X ratio of desired units/given units 5. Solve.

3. Ways of Counting Things

4. Counting Particles

6. Converting Between Moles and Particles Convert 3.01 x 10 23 He atoms to moles

7. Molar Mass Ca = H 2 O = Ca(NO 3 ) 2 =

8. Molar Mass Also known as:

9. Molar Mass Conversion Examples Convert 1.1 g of water to moles. Convert 2.2 moles of sodium chloride to grams

10. Molar Volume Convert 0.44 L of Ne gas to moles. (@STP)

11. Mole Road Map! MOLES MASS (g) NUMBER OF PARTICLES VOLUME OF GAS (L)

12. Practice Problems 1.Convert 55.0 g of sodium to moles 2.Convert 0.66 moles of nitrogen gas to grams (@STP) 3.Convert 7.7 L of oxygen gas to moles (@STP) 4.Convert your answer to #3 to grams 5.Convert 8.8 x 10 24 Ca atoms to moles 6.Convert your answer to #5 to grams 7.Convert 99.0 g of Iron (II) chloride to moles 8.Convert 0.10 moles of potassium nitrate to grams