0.05 g of acetyl salicylic acid has been dissolved to the volume 25.00 ml to create a stock solution. 400 microliters of the stock solution was then diluted to the volume of 10.00 mL to create standard #4. What is the concentration of standard # 4? a) 1.1 x 10* M b) 2.8 x 104 M c) 4.4 x 10* M d) 1.1 x 10? M

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