Which of the Following Concentration Units Will Not Change If

question 84

Multiple Choice

Which of the following concentration units will not change if the solution is heated?

• A) %(w/w)
• B) %(w/v)
• C) both a and b
• D) neither a nor b

---

Definitions:

Significance Level

A statistical term that determines the threshold at which a null hypothesis is rejected.

Wilcoxon Signed-Rank Test

A statistical test used for comparing two related samples to determine if their population means rank differ.

Dependent Samples

Two or more groups of observations where the individuals or items in one group are related or matched to those in the other groups.

T-Test

A statistical test used to compare the means of two groups or to compare a sample mean with a known value when the sample size is small and the population variance is unknown.