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CHEM%201211%20Review - -ions in solution[Also write a...

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CHEM 1212 Review of Chem 1211 material: 1. How many moles are in 21.3 g of O 2 ? 2. Balance the chemical reaction: Al + O 2 Al 2 O 3 What is the mass of O 2 needed to react 72 g of Al? What is the mass of Al 2 O 3 formed? 3. How much water is added to 12 mL of 1.0 M HCl to obtain a solution that is 0.04 M HCl? 4. After dissolving 73 g of CaCl 2 in 55 L of water, what is the molarity of Cl
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Unformatted text preview: -ions in solution? [Also write a reaction of CaCl 2 ( s ) dissolving in water] 5. What is the expected shape of CCl 4 ? Is this molecule polar? 6. Why is water polar? 7. Make a quick list of steps you’d do to determine if a substance is polar. Use NH 3 if you need an example. 8. From a molecular stand point, what is temperature a measure of?...
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