Question

Calculate the amount of trypsin (MW = 23,800 g/mol) required to prepare 10 mL 0f 1.25 mg/ml trypsin in 1 mM HCl.

Answer 1

Mass$= 10×1.25=12.5grams$

Moles $= \frac{12.5}{23800}=0.00053moles$