Solve
-Dmitri Needs 6 Liters of A 16 $16 \%$ Solution of Sulfuric Acid for a Research Project in Molecular

question 44

Multiple Choice

Solve.
-Dmitri needs 6 liters of a $16 \%$ solution of sulfuric acid for a research project in molecular biology. He has two supplies of sulfuric acid solution: one is an unlimited supply of the $12 \%$ solution and the other an unlimited supply of the $24 \%$ solution. How many liters of each solution should Dmitri use?

• A) \(12 \%\) solution: \(4.5\) liters; \(24 \%\) solution: \(1.5\) liters
• B) \(12 \%\) solution: 2 liters; \(24 \%\) solution: 4 liters
• C) \(12 \%\) solution: 4 liters; \(24 \%\) solution: 2 liters
• D) \(12 \%\) solution: \(3.5\) liters; \(24 \%\) solution: \(2.5\) liters

---

Definitions:

Independent Samples Design

A research design in which different groups of participants are exposed to different treatments or conditions, and their outcomes are compared to inspect the effects of the treatment.

Randomized Block Design

An experimental design that groups subjects into blocks based on certain characteristics before randomly assigning treatments, to reduce the variability within treatment conditions.

Degrees of Freedom

The number of independent values in a calculation that are free to vary when estimating statistical parameters.

Randomized Block Design

An experimental design in which subjects are grouped into blocks based on certain characteristics before being randomly assigned to different treatments.