Lecithins are glycerophospolipids (phosphoglycerides) containing choline, (ch3)3n ch2ch2oh. draw a lecithin with stearic acid, ch3(ch2)16cooh, at carbon 1 and oleic acid, ch3(ch2)7ch=ch(ch2)7cooh, at carbon 2.

An aqueous solution of potassium hydroxide is standardized by titration with a 0.194 m solution of hydrobromic acid. if 25.2 ml of base are required to neutralize 24.2 ml of the acid, what is the molarity of the potassium hydroxide solution? m potassium hydroxide

Why is retrograde motion an apparent motion

+= + + balance the equation on coefficients, ex. 1,1,1