Pour a layer of concentrated sulfuric acid ½” to ¾” thick on top of the sugar. Place 4 liter beaker over the small beaker containing the sugar with part of the beaker extending off the mat and over ...

Balance the stir rod over the beaker and measure the length of the wire ... Keep a tin pie plate on hand to smother a flame if one starts in the beaker. Always wear heat resistant gloves or mitts, the ...