The formula to calculate the mass (g) is:
g=mmolL⋅MW⋅V1000
Where:
Let's say the concentration is 5 mmol/L, the molecular weight is 180 g/mol, and the volume is 2 L. Using the formula:
g=5⋅180⋅21000
We get:
g=1.8
So, the mass (g) is 1.8 grams.