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.
The letter m under the shoe width represents.... The letter M under the shoe width represents the Medium Width size. You may also find the letter N, which stands for Narrow. The letter W for Wide, the letters WW for extra wide and the WWW for double extra wide sizes.