جامعة نزوى
Wt. of sod. Bicarb = 4.5 x 5/ 100 = 0.225 gm. Wt. of stearic acid = 7.5 x 5 / 100 = 0.375 gm. Procedure: 1-Dissolve powdered sod. Bicarb. in glycerin with the aid of gentle heating . 2- Add stearic acid and heat carefully until effervescence ceases and complete solution is obtained. ................
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