Being the product of a neutralization reaction between an acid and a base, sodium chloride is neutral, with a pH of seven. Sodium chloride is an ionic compound with the chemical formula NaCl. Continue Reading.
A D-width is considered a medium for men and a wide for women. It measures between 3 and 5 inches across the bottom of the ball of the foot, depending on your shoe size. For instance, in men's footwear, a size 10D is 4 inches across, while a size 14D is 4.5 inches across.
D is the width of the shoe. D width is average/medium width for men's shoes. B is average/meduim for women's shoes. So if your new shoes are size 11D, that means they are size 11, medium width in mens. Source(s): Sold shoes in a dept store of 4 years!