1. The problem statement, all variables and given/known data In 50mL flask prepare sol 50 miM in SDS and 30 miM in Na C l" MW of SDS = 288.38g/mol MW of NaCl=58.44 g/mol 2. Relevant equations N/A 3. The attempt at a solution I think aqueous means I should dissolve it in water. So SDS in water, then NaCl in water...and then combine it to be 50mL? But then how much water do I dissolve in each? How many grams of each? Do I prepare 25mL of 50mM SDS and then 25mL of 30mM NaCl and combine them? Does it matter if it's 10mL of 50mM SDS and 40 mL of 30mM NaCl?