Question
Determine which of the following contains the greatest mass of hydrogen: 1 mol of $\mathrm{CH}_{4}, 0.6$ mol of $\mathrm{C}_{6} \mathrm{H}_{6}$, or 0.4 mol of $\mathrm{C}_{3} \mathrm{H}_{8}$
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Which of the following contains the largest mass of hydrogen atoms? (a) $5.0$ moles $\mathrm{C}_{2} \mathrm{H}_{2} \mathrm{O}_{4}$ (b) $1.1$ moles $\mathrm{C}_{3} \mathrm{H}_{8} \mathrm{O}_{3}$ (c) $1.5$ moles $\mathrm{C}_{6} \mathrm{H}_{8} \mathrm{O}_{6}$ (d) $4.0$ moles $\mathrm{C}_{2} \mathrm{H}_{4} \mathrm{O}_{2}$
If $1.5 \mathrm{~mol}$ of each of the following compounds is completely combusted in oxygen, which one will produce the largest number of moles of $\mathrm{H}_{2} \mathrm{O}$ ? Which will produce the least? Explain. $\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}, \mathrm{C}_{3} \mathrm{H}_{8}, \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{COCH}_{3}$
Determine the number of moles of hydrogen atoms in each sample. \begin{equation}\begin{array}{ll}{\text { a. } 0.0885 \mathrm{mol} \mathrm{C}_{4} \mathrm{H}_{10}} & {\text { b. } 1.3 \mathrm{mol} \mathrm{CH}_{4}} \\ {\text { c. } 2.4 \mathrm{mol} \mathrm{C}_{6} \mathrm{H}_{12}} & {\text { d. } 1.87 \mathrm{mol} \mathrm{C}_{8} \mathrm{H}_{18}}\end{array}\end{equation}
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