The percent of P in Li3PO4 can be calculated by dividing the mass of P by the total mass of Li3PO4 and multiplying by 100 to express the result as a percentage. The formula for Li3PO4 is Li3PO4, which means it contains 3 lithium ions (Li+) and 1 phosphorus ion (P5+). The atomic masses of Li and P can be found on the periodic table.
For example, if we take the atomic masses of Li and P to be 6.9 and 31, respectively:
Mass of P = 31 g/mol
Mass of Li3PO4 = 3 * 6.9 + 31 = 121 g/mol
Percentage of P = (31 / 121) * 100 = 25.62 %
So, the percent of P in Li3PO4 is approximately 25.62%.