<Tr> <Td_colspan="2"> <Table> <Tr> <Td> </Td> <Td> </Td> </Tr> </Table> </Td> </Tr> <Table> <Tr> <Td> </Td> <Td> </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Th_colspan="2"> Identifiers </Th> </Tr>

Barium sulfate is made by the following reaction