Sample Quizzes are designed to give you an idea of the types of questions you can expect.  Quiz numbers may not exactly agree with currently assigned material, so you may need to examine several quizzes to see the ones that cover the material we are now covering.

Quiz #6

1. With an average atomic mass of 1.008 and 12.011 amu for hydrogen and carbon atoms, respectively, calculate the mass, in grams, for each of the following:

1 mole of H₂ = ________________________ grams

2 moles of CO₂ = ________________________ grams

2. How many grams are present if you have 6.02 x10²³ atoms of O₂? ___________________

How many grams do you have if you have 0.200 mole of H₂SO₄? ____________________

3. Complete and balance the following combustion reaction.

CH₄ + O₂--->

How many moles of CO₂ and H₂O would you produce from 2.5 moles of CH₄?

moles CO₂ = ________________________ moles H₂O = ________________________

If you used 48.0 grams of O₂, how many grams of CH₄ would you needt?

4. Calculate the number of moles for each of the following compounds:

49.2 mg sulfur trioxide (SO₃; molar mass = 80.0 g/mol)

42.5 g phenol (molar mass = 94.0 g/mol)

5. How many grams are in 1.27 moles CO₂ (molar mass = 44.0 g/mol)

Go To Sample Quiz: 1 2 3 4 5 6 7 8 9 10
Return to Review Index Page