Answers to Practice Problems in Chapter 2, Preparation of Reagents and Buffers
摘要
This problem can be solved by using Eq. ( 2.5 ): The molecular weight of NaH2PO4 is 120 g/mol. Make sure to use the same units throughout. Molecular weights are stated in mol/g, and the unit of concentration is in mol/L; thus, the 500 mL should also be converted into L.