Answer:
[tex]m_{H_2}=4gH_2[/tex]
Explanation:
Hello,
In this case, water decomposition is represented by:
[tex]2H_2O\rightarrow 2H_2+O_2[/tex]
Thus, since water molar mass is 18 g/mol and hydrogen molar mass is 2 g/mol and they are in a 2:2 molar ratio, the produced grams of hydrogen result:
[tex]m_{H_2}=36gH_2O*\frac{1molH_2O}{18gH_2O}*\frac{2molH_2}{2molH_2O}*\frac{2gH_2}{1molH_2} \\\\m_{H_2}=4gH_2[/tex]
Best regards.
