Concept explainers
Show that there are 4 grams of hydrogen in 16 grams of methane gas. (The chemical formula for methane is
To show: The quantity of hydrogen in 16 gm of methane gas is 4 gm.
Explanation of Solution
Given:
Formula of methane gas =
Number of Hydrogen atoms = 4
Number of Carbon atoms = 1
Atomic mass of 1 Hydrogen atom = 1 g/mol
Atomic mass of 1 Carbon atom = 12 g/mol
Formula used:
Here,
Calculation:
Formula of methane gas =
Number of Hydrogen atoms = 4
Number of Carbon atoms = 1
Atomic mass of 1 Hydrogen atom = 1 g/mol
Atomic mass of 1 Carbon atom = 12 g/mol
Here,
Find the mass of one methane molecule
Determine the number of methane molecules in
Substitute 16 grams for
Since there are four hydrogen atoms in each methane molecule, hence number of hydrogen atoms in 16 grams of methane gas will be
Calculate the mass of hydrogen atoms
Substitute
Conclusion:
Hence, there is
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