Publisher's Synopsis
Excerpt from Laboratory Experiments in Chemistry 1
Properties of Na20 0. Expose a crystal to the air in a watch-glass. To 25 g. Na2co3 in gas - fiask add water to seal safety-tube. Weigh (beaker) 20 g. Dilute h2so4 Aq and add it in very small portions to the gas-?ask, washing down the safety-tube With a few drops of H20 after each addition; wash the beaker adding the washings to the ?ask. Collect all the gas in bottles over the trough, noting number of bottles, Pour the liquid left in the gas-fiask after the action is finished into a bottle, and subtract its volume from the total volume of gas obtained. (why Repeat With N ahcos. Compare the volumes of 002 With each other and the theory. In writing the two reactions remember that the 112804 is not in excess.
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