We're being asked to determine the mass percent of a** 2 m H _{3}PO**

For this problem follow the steps:

**Step 1. **Establish the composition of 2 m H_{3}PO_{4 }and formula of mass percent

**Step 2. ** Determine the mass of H_{3}PO_{4}

**Step 3. ** Determine the mass of solvent

**Step 4. ** Calculate mass percent

Which of the following represents the mass percent of H_{3}PO_{4} (MM = 98) in a 2.00 m aqueous H_{3}PO_{4} solution?