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Unformatted text preview: miscellaneous sodium bicarbonate NaHCO 3 84.00 1 part in 10 parts water at 25 pH of 0.1 M aq. solution = 8.3; density is about 1 sodium carbonate Na 2 CO 3 106.00 1 part in 3.5 parts water at 25 Density is about 1 sodium chloride NaCl 58.45 1 gram dissolves in 2.8 mL of water at 25 Density of saturated solution = 1.202 Chromatography solvents eluting order . Usual eluting order of organic compounds. hexanes toluene methylene chloride diethyl ether ethyl acetate acetone methanol, ethanol acetic acid saturated hydrocarbons unsaturated hydrocarbons ethers esters halides ketones aldehydes amines alcohols acids and bases increasing polarity (more powerful eluters) more polar (stronger bonding)...
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This note was uploaded on 11/25/2011 for the course CHEM 12A taught by Professor Tam during the Winter '09 term at Foothill College.
- Winter '09