- What are the two perpose of acetic anhydride in the synthesis reaction of aspirin?

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The molarity of 1.2 L of HNO 3 aqueous solution is 2.5 M. Calculate the mass of the solute.? 80 g of NaOH is dissolved in 500 g of water.Calculate molality.? How many -OH groups can be attached to one carbon atom under ordinary conditions? Use a graphing calculator to approximate (to three decimal places) the minimum and maximum values for f(x)=-2x^5-x^2+5x+3.? A flywheel of moment of inertia 0.32 kg-m2 is rotated steadily at 120 rad/sec by a 50W electric motor.The kinetic energy of the flywheelis?