14. in the combustion of methane $ch_{4}+2o_{2}\to co_{2}+2h_{2}o$, how many hydrogen atoms are present in…
14. in the combustion of methane $ch_{4}+2o_{2}\to co_{2}+2h_{2}o$, how many hydrogen atoms are present in the products?\na. 2\nb. 8\nc. 4\nd. 6
Answer
Explanation:
Step1: Analyze product formula
The product is $2H_2O$.
Step2: Calculate hydrogen atoms
In one $H_2O$ molecule, there are 2 hydrogen atoms. Since there are 2 $H_2O$ molecules, the number of hydrogen atoms is $2\times2 = 4$.
Answer:
C. 4