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Tuesday, December 8 th  Take out  Your blue sheet  Mole conversions practice  Any other homework that needs to be checked  Due tomorrow: quiz corrections,

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Presentation on theme: "Tuesday, December 8 th  Take out  Your blue sheet  Mole conversions practice  Any other homework that needs to be checked  Due tomorrow: quiz corrections,"— Presentation transcript:

1 Tuesday, December 8 th  Take out  Your blue sheet  Mole conversions practice  Any other homework that needs to be checked  Due tomorrow: quiz corrections, blue sheet, review guide  Work on the following using dimensional analysis 1. How many inches are in 463.2 centimeters? 2. How many feet are in 32.4 furlongs? 3. How many ounces are in 6.7 gallons? 4. A car has a tank capacity of 13.4 gallons. The tank is currently 1/3 full. This car’s mileage is 22.4 miles/gallon. How many more miles can the car drive before the tank is empty?

2 Complete the following. Report your answer in scientific notation with the correct number of sig figs. 1. 56400. – 3504.2 2. 5.584*10 -8 /5.2*10 9 3. 015610000*6870600.560

3 How many moles are in 56.3 grams of magnesium?

4 How many atoms are in 16 moles of gold?

5 How many molecules are in 1 mole of sodium chloride?

6 How many atoms are in 1 mole of sodium chloride?

7 What is the mass of 6.54 x 10 24 silver sulfate molecules?

8 Hydrate Lab  Tina Test-tube completes the hydrate lab and gets the following data. Find the formula of her copper I sulfate hydrate.  Empty crucible: 65.35 grams  Crucible and salt before heating: 68.46 grams  Crucible and salt after heating: 67.56 grams


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