The Ratio of Substance X to Substance Y in a Solution

question 8

Multiple Choice

The ratio of substance X to substance Y in a solution is measured in two separate trials.The concentrations,ratios of X/Y,and log(X/Y) are presented in this table. $\begin{array}{|c|c|c|c|c|}\hline \text { Trial } & \begin{array}{c}\text { Concentratio } \\\mathbf{n ~ o f ~ X ~}\end{array} & \begin{array}{c}\text { Concentratio } \\\mathbf{n} \text { of Y }\end{array} & \text { Ratio X/Y } & \log (\mathbf{X} / \mathbf{Y}) \\\hline 1 & 20 & 10 & 2 & 0.301 \\\hline 2 & 10 & 20 & 0.5 & ? \\\hline\end{array}$
What is the log of X/Y from trial 2?

• A) 0.301
• B) -0.301
• C) 3.01
• D) -3.01

---

Definitions:

Plastic Surgery

Medical procedures focused on the restoration, reconstruction, or alteration of the human body for cosmetic or functional purposes.

Activities

Tasks or actions engaged in for the purpose of leisure, pleasure, or achieving a particular goal.

Popular

Generally liked or admired by many people, often used to describe individuals with high social standing or acceptance within a group.

Soccer

A team sport played between two teams of eleven players with a spherical ball, known worldwide and governed internationally by FIFA.