A sample ready for analysis is a 1:2 dilution. Which of the following is true about this sample?
A) The volume of the sample is decreased by a factor of 2, and the concentration is decreased by 2.
B) The volume of the sample is decreased by a factor of 2, and the concentration is increased by 2.
C) The volume of the sample is increased by a factor of 2, and the concentration is decreased by 2.
D) The volume of the sample is increased by a factor of 2, and the concentration is increased by 2.
Question 2
What is the product of two reciprocals?
A) 0
B) 1
C) 10
D) 100