Which of the following contains the largest mass of hydrogen atoms?

Options

A. ` 5.0" ""moles" C_(2)H_(2)O_(4)`
B. ` 1.1" ""moles" C_(3)H_(8)O_(3)`
C. ` 1.5" ""moles" C_(6)H_(8)O_(6)`
D. ` 4.0" ""moles" C_(2)H_(4)O_(2)`

Answer

To determine which of the given options contains the largest mass of hydrogen atoms, we will calculate the mass of hydrogen in each compound based on the number of moles and the number of hydrogen atoms in each molecule.

### Step-by-Step Solution:

1. **Identify the number of hydrogen atoms in each compound:**
- **Option 1:** C2H4O4 has 4 hydrogen atoms.
- **Option 2:** C3H8O3 has 8 hydrogen atoms.
- **Option 3:** C6H8O6 has 8 hydrogen atoms.
- **Option 4:** C2H4O2 has 4 hydrogen atoms.

2. **Calculate the total mass of hydrogen for each option:**
- **Option 1:**
- Moles = 5
- Number of hydrogen atoms per molecule = 4
- Total hydrogen atoms = 5 moles × 4 H/mole = 20 H atoms
- Mass of hydrogen = 20 H atoms × 1 g/H atom = 20 g

- **Option 2:**
- Moles = 1.1
- Number of hydrogen atoms per molecule = 8
- Total hydrogen atoms = 1.1 moles × 8 H/mole = 8.8 H atoms
- Mass of hydrogen = 8.8 H atoms × 1 g/H atom = 8.8 g

- **Option 3:**
- Moles = 1.5
- Number of hydrogen atoms per molecule = 8
- Total hydrogen atoms = 1.5 moles × 8 H/mole = 12 H atoms
- Mass of hydrogen = 12 H atoms × 1 g/H atom = 12 g

- **Option 4:**
- Moles = 4
- Number of hydrogen atoms per molecule = 4
- Total hydrogen atoms = 4 moles × 4 H/mole = 16 H atoms
- Mass of hydrogen = 16 H atoms × 1 g/H atom = 16 g

3. **Compare the masses of hydrogen from each option:**
- Option 1: 20 g
- Option 2: 8.8 g
- Option 3: 12 g
- Option 4: 16 g

4. **Identify the option with the largest mass of hydrogen:**
- The largest mass of hydrogen is found in **Option 1**, which contains **20 g** of hydrogen.

### Conclusion:
The option that contains the largest mass of hydrogen atoms is **Option 1** (5 moles of C2H4O4), with a total mass of 20 grams of hydrogen.

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