Sunday, February 28, 2010

midterm

I. Study the following: zinc carbonate, calcium oxide, sodium bromide dihydrogen sulfide, aluminum oxide: write the formula

II. Predict the products and identify the type of reactions :
1.Iron (II) hydroxide
2. potassium + water

III. Determine the molar mass, moles , atoms, molecules of carbon dioxide if there is/are: 50 g CO2; 1.2 moles CO2

GOOD LUCK!

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