1 This should remove most of the water soluble species (that is the acids and the alcohol).  Add 5 mL sodium carbonate solution to neutralise acid still present. Swirl the flask until the production of carbon dioxide gas is no longer vigorous. Repeat this process until no more carbon dioxide gas is produced.
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Furthermore, universities tend to be more expensive than community colleges and trade schools. Some common tuition rates for RN students attending community colleges are: 1  In-State Cost Per Credit Hour - $72 to $82. 2  Out-of-State Cost Per Credit Hour - $154 to $216.3  Average Tuition Per Semester (full-time in-state students) - $864 to $1,019.owever, to give you an idea of the costs you will incur for your books, we are listing average costs per semester for new college textbooks below. These costs are based on a full-time schedule for an RN student attending a community college or trade school in the U.S. 1  First Semester - $1,086. 2  Second Semester - $60.