To prepare exactly 250 mL of 0.10 M NaCl, you should
- A
Add 250 mL water then NaCl
- Bcheck_circle
Add NaCl, then water to the mark, mix
- C
Use a graduated cylinder
- D
Add NaCl to a beaker
Explanation
Standard practice: dissolve solute in some water, then dilute to volumetric mark for accuracy.