Concept explainers
The compound butyric acid gives rancid butter its characteristic odor. (7.1, 7.2)
a. If black spheres are carbon atoms, white spheres are hydrogen atoms, and red spheres are oxygen atoms, what is the molecular formula of butyric acid?
b. What is the molar mass of butyric acid?
c. How many grams of butyric acid contain 3.28 x 1O atoms of oxygen?
d. How many grams of carbon are in 5.28 g of butyric acid?
e. Butyric acid has a density of 0.959 g/mL at 20 °C. How many moles of butyric acid are contained in 1.56 mL of butyric acid?
f. Identify the bonds C—-C, C- H, and C— 0 in a molecule of butyric acid as polar covalent or nonpolar covalent.
Butyrlc acid produces the characteristic odor of rancid butter.
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