(Solved): Molecular Weight: \( 194.19 \) Q1. How much caffeine is required to make a \( 5 \mathrm{~mL} 10 \m ...

Molecular Weight: \( 194.19 \) Q1. How much caffeine is required to make a \( 5 \mathrm{~mL} 10 \mathrm{mM} \) stock solution? Q2. Make \( 500 \mu \mathrm{M} \) and \( 250 \mu \mathrm{M} \) solutions using the \( 10 \mathrm{mM} \) stock solution. a. How much of a \( 10 \mathrm{mM} \) solution is required to make \( 1 \mathrm{~mL} 500 \mu \mathrm{M} \) solution? b. How much of a \( 10 \mathrm{mM} \) solution is required to make \( 2 \mathrm{~mL} 250 \mu \mathrm{M} \) solution?