Question

(4) When the hydrocarbon was burned 0.20 mol of water were produced.
How many moles of hydrogen atoms are there in 0.20 mol of water?
Moles of hydrogen atoms

Answer 1

Answer:

.4 moles of hydrogen

Explanation:

Formula for water ==   H2 O  

   so you can see there are twice as many hydrogen moles as water moles

           .2 * 2 = .4