Answer:
Number of moles = 0.31 mol
Explanation:
Given data:
Mass of H₃PO₄ = 30.0 g
Number of moles = ?
Solution:
Formula:
Number of moles = mass/ molar mass
Molar mass of H₃PO₄ = 98 g/mol
Number of moles = 30.0 g / 98 g/mol
Number of moles = 0.31 mol
