Answer:
488g
Step-by-step explanation:
First let us obtain the molar mass of aluminium phosphate (AlPO4)
This is illustrated below:
Molar Mass of AlPO4 = 27 + 31 + (16x4) = 27 + 31 + 64 = 122g/mol
Number of mole of AlPO4 = 4moles
Mass = number of mole x molar Mass
Mass of AlPO4 = 4 x 122 = 488g