A recipe requires 10 grams of salt. According to Weber's constant for saltiness, which is 1/5, how much more salt must a chef add to make the recipe noticeably saltier?
A)1/5 of a gram
B)2 grams
C)5 grams
D)10.5 grams
E)1/5 of a gram squared

Question

Quizplus · Accepted Answer

Weber's constant for saltiness is 1/5, meaning that to notice a difference in saltiness, the amount of salt must be increased by 1/5 of the original amount. Therefore, to make the recipe noticeably saltier, the chef must add 1/5 of 10 grams, which is 2 grams.

A Recipe Requires 10 Grams of Salt