Calculate the dilution ratio of a solution of 100 microliters of serum diluted with 900 microliters of saline. Write the ratio in simplest form using a fraction.
A) $\frac { 1 } { 5 }$
B) $\frac { 2 } { 5 }$
C) $\frac { 3 } { 11 }$
D) $\frac { 1 } { 10 }$
E) $\frac { 3 } { 10 }$

Question

Quizplus · Accepted Answer

The total volume of the solution is 100 microliters of serum + 900 microliters of saline = 1000 microliters. The dilution ratio of serum to the total solution is $ \frac{100}{1000} = \frac{1}{10} $.

Calculate the Dilution Ratio of a Solution of 100 Microliters 15\frac { 1 } { 5 }51​

Calculate the Dilution Ratio of a Solution of 100 Microliters $\frac { 1 } { 5 }$