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 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?

36.
24.
48.
12.


Question 2. 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?

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


Question 3. 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?

16.
1.
32.
2.


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 one mole of H2O?

20kg.
16kg.
18g.
16g.


Question 5. What does the formula H2O mean about a water molecule?

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


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