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HELP! A barium hydroxide aqueous solution has pH of 12.92. Calculate its molar concentration.? How many moles is 1.43 g of calcium oxalate monohydrate, Ca(C2O4)·H2O? Report your answer in scientific notation in this form: 1.234e56.? What is the mass, in grams, of Vitamin C, which contains 0.867 grams of carbon? (Vitamin C, C6H8O6.)? Find the Taylor Series of {z}/{1+z^2} about z=0. Find the region of validity of this Taylor Series.? Por fa necesito ayuda
1.) Sean los intervalos P=]-4;0] ; Q=[-9;2[ y R=[-5; 3] hallar:
P’ (Q – R) (recuerda: P’ se lee complemento de P?