Error:
Ca10F2%28PO4%296 %2B H2SO4 %3D Ca%28H2PO4%292 %2B CaSO4 %2B HF
^Unexpected character ('%')Ca10F2%28PO4%296 %2B H2SO4 %3D Ca%28H2PO4%292 %2B CaSO4 %2B HF
^Unexpected character ('%')