Answer :
Final answer:
The mass of hydrogen in 32g of methane is 8.00 g. This is calculated by determining the fraction of the total mass of methane that is hydrogen and multiplying by the total mass of methane.
Explanation:
To calculate the mass of hydrogen in a compound, you would first need to understand the molecular structure of methane (CH4). Each methane molecule consists of one carbon atom and four hydrogen atoms. The molar mass of methane is approximately 16.04 g/mole, and the molar mass of hydrogen is approximately 1.01 g/mole. Since there are four hydrogen atoms in one molecule of methane, the total mass of hydrogen per molecule of methane is 4.04 g/mole (4 x 1.01 g/mole). To find the mass of hydrogen in 32g of methane, multiply the mass of methane by the fraction of the total mass that is hydrogen: 32g * (4.04 g/mole / 16.04 g/mole) = 8.00 g. Therefore, Option 2: 8.00 g is correct.
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