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How many milliliters of a stock solution of 12.0 M HNO3 would you have to use to prepare 0.500 L of 0.200 M HNO3? What is the chemical formula for road salt? Determine whether the function f(x)=1/x is a one to one? How many bromines atoms are present in 32.4 g of CH2Br2? If A' is the image of A and line k is a perpindicular bisector of AA', sketch the figure and describe the transformation?