div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: 2A - 2007pdfsolution add barium chloride solution To the third portion of the stock solution add freshly prepared acidified ferrous sulphate solutibn followed by concentrated sulphuric src=https:reader033vdocumentinreader033viewer20220418055e53cb278b549a6bc64d678ahtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: 2A - 2007pdfsolution add barium chloride solution To the third portion of the stock solution add freshly prepared acidified ferrous sulphate solutibn followed by concentrated sulphuric src=https:reader033vdocumentinreader033viewer20220418055e53cb278b549a6bc64d678ahtml5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 3button div class=ts-image amp-img class=ts-thumb alt=Page 3: 2A - 2007pdfsolution add barium chloride solution To the third portion of the stock solution add freshly prepared acidified ferrous sulphate solutibn followed by concentrated sulphuric src=https:reader033vdocumentinreader033viewer20220418055e53cb278b549a6bc64d678ahtml5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 4button div class=ts-image amp-img class=ts-thumb alt=Page 4: 2A - 2007pdfsolution add barium chloride solution To the third portion of the stock solution add freshly prepared acidified ferrous sulphate solutibn followed by concentrated sulphuric src=https:reader033vdocumentinreader033viewer20220418055e53cb278b549a6bc64d678ahtml5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdiv