Question #fe281

1 Answer
Max G.
Feb 7, 2018

4 moles of CO will be produced

Explanation:

Assuming there is enough oxygen to react with all 4 moles,

This is a simple case, so the short way should be fine. In the future, with more complicated cases, I would strongly urge you to use the long way.

SHORT WAY
Because of conservation of mass, the resulting solution must have the same mass of carbon as the starting solution. Because the starting solution has 4 moles of carbon, 4 moles of solution can be produced. Oxygen is given in excess, so does not need to be calculated.

LONG WAY
Convert moles to grams carbon by multiplying moles by molar mass of carbon:
#4*12.01=48.04#g

We now know that one mole of carbon contains 48.04 grams of carbon. Next, we determine how many grams of carbon are in one mole of CO.
#1*12.01=12.01#g

Now, we know that one mole of CO contains 12.01 grams of carbon. With this information, we can determine how many moles of CO can be formed with the given mass of C.
#48.04/12.01=4#

4 moles can be formed.

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