div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: vanbanphapluatcoTCVN 9514:2012 33 Dung dich etanol 25 % Pha loãng 50 ml etanol bång nuðc dén 200 ml 34 Dung dich natri axetat O 1 M Hòa tan 164 g natri axetat khan hoäc src=https:reader030fdocumentsnetreader030viewer20220403165e2beef682992c4d5819a7f6html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: vanbanphapluatcoTCVN 9514:2012 33 Dung dich etanol 25 % Pha loãng 50 ml etanol bång nuðc dén 200 ml 34 Dung dich natri axetat O 1 M Hòa tan 164 g natri axetat khan hoäc src=https:reader030fdocumentsnetreader030viewer20220403165e2beef682992c4d5819a7f6html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 3button div class=trans-image amp-img class=trans-thumb alt=Page 3: vanbanphapluatcoTCVN 9514:2012 33 Dung dich etanol 25 % Pha loãng 50 ml etanol bång nuðc dén 200 ml 34 Dung dich natri axetat O 1 M Hòa tan 164 g natri axetat khan hoäc src=https:reader030fdocumentsnetreader030viewer20220403165e2beef682992c4d5819a7f6html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 4button div class=trans-image amp-img class=trans-thumb alt=Page 4: vanbanphapluatcoTCVN 9514:2012 33 Dung dich etanol 25 % Pha loãng 50 ml etanol bång nuðc dén 200 ml 34 Dung dich natri axetat O 1 M Hòa tan 164 g natri axetat khan hoäc src=https:reader030fdocumentsnetreader030viewer20220403165e2beef682992c4d5819a7f6html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 5button div class=trans-image amp-img class=trans-thumb alt=Page 5: vanbanphapluatcoTCVN 9514:2012 33 Dung dich etanol 25 % Pha loãng 50 ml etanol bång nuðc dén 200 ml 34 Dung dich natri axetat O 1 M Hòa tan 164 g natri axetat khan hoäc...