Snapquiz - Formula Mass and Moles

This is the Snapquiz on Formula Mass and Moles. Click here or use the embedded video if you haven't watched the lesson yet.


Question 1. A carbon atom has a relative atomic mass of 12 and a hydrogen atom has a relative atomic mass of 1. What's the mass of one mole of CH4?

16g.
24g.
12g.
52g.


Question 2. What does the formula H2O mean about a water molecule?

It contains two oxygen atoms and two hydrogen atoms.
It contains two hydrogen atoms and zero oxygen atoms.
It contains two hydrogen atoms and one oxygen atom.
It contains one hydrogen atom and two oxygen atoms.


Question 3. Which number from an entry in the periodic table is the one involved in formula mass calculations?

The smallest number.
The proton number.
The biggest number.
The atomic number.


Question 4. A hydrogen atom has a relative atomic mass of 1 and an oxygen atom has a relative atomic mass of 16. What's the mass of all the oxygen atoms in an H2O molecule?

1.
16.
2.
32.


Question 5. A hydrogen atom has a relative atomic mass of 1, a carbon atom has a relative atomic mass of 12 and an oxygen atom has a relative atomic mass of 16. What's the mass of all the carbon atoms in a C3H7OH molecule?

48.
36.
12.
24.


If you would like to track your scores, please enter your preferred first name into the box (please note, this uses cookies to store the data on your computer/phone/tablet - please see the FAQ for more information). Alternatively, if your teacher has given you a code starting with a # symbol, you can enter that:


Snapquiz© CJ Thornton    Terms and Conditions    Privacy
Teachers


Log out