#Liquadity101 To calculate the total number of ions in 10 g of phosphoric acid (H₃PO₄), we'll need to consider its dissociation in water:

H₃PO₄ → 3H⁺ + PO₄³⁻

Step 1: Calculate the molar mass of H₃PO₄

Molar mass of H₃PO₄ = 3(1) + 31 + 4(16) = 3 + 31 + 64 = 98 g/mol

Step 2: Calculate the number of moles of H₃PO₄

Number of moles = mass / molar mass = 10 g / 98 g/mol ≈ 0.102 mol

Step 3: Calculate the number of ions

Each molecule of H₃PO₄ dissociates into 4 ions (3H⁺ and 1PO₄³⁻).

Total number of ions = number of moles × Avogadro's number × 4

= 0.102 mol × 6.022 × 10²³ molecules/mol × 4

≈ 2.46 × 10²³ ions

So, the total number of ions in 10 g of phosphoric acid is approximately 2.46 × 10²³.