In such cases about 2 cubic centimeters of a 2 per cent. [Please select]
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Then add about 60 cubic centimeters of ether, petroleum ether or 86 degs. [Please select]
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For every 10 cubic centimeters of liquid use at least 12 drops of indicator. [Please select]
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Third--About 5 grams of soap are weighed and dissolved in 100 cubic centimeters of 50 per cent. [Please select]
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Fourth--The soap is precipitated with 15 to 20 cubic centimeters of the 10 per cent. [Please select]
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To determine insoluble matter, 5 grams of soap are dissolved in 75 cubic centimeters of hot water. [Please select]
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To determine the alkali in the sample, 10 cubic centimeters are pipetted into a beaker, a little distilled water added, then 3 or 4 drops of phenolphthalein indicator. [Please select]
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The difference between the number of cubic centimeters of N/4 sulfuric acid and N/4 caustic soda gives the amount of alkali in the sample. [Please select]
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