Recent content by Lucy345

Hi, I have two powders, compound A and compound B. I need to make 2 solutions each containing the two powders, so I use the concentration of each solution(20mg/mL) to determine how much of the solvent I need to add. Now I have 2 solutions with powder A and powder B dissolved in them. I need to...

Homework Statement Known: [/B] Mass of compound A: 15mg (weighed in excess), MM=200g/mol Mass of compound B: 6mg, MM=700g/mol Concentration of each compound listed above(Concentration of solution of compound A or solution of Compound B): 20mg/L Total concentration of the solution: 20mg/mL Molar...