Una síntesis industrial del acetileno, gas extensamente utilizado para la fabricación de numerosas drogas, colorantes y plásticos, consiste en el tratamiento de carburo de calcio con agua: CaC2 + 2H2O → C2H2 + Ca(OH)2 Cual será el rendimiento de la reacción si al combinar 90 gramos de carburo de calcio de 90 % de pureza con 180 gramos de agua de 50 % de pureza, se forman 21 gramos de acetileno (C2H2)
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Achemistry student needs to standardize a fresh solution of sodium hydroxide. he carefully weighs out of oxalic acid , a diprotic acid that can be purchased inexpensively in high purity, and dissolves it in of distilled water. the student then titrates the oxalic acid solution with his sodium hydroxide solution. when the titration reaches the equivalence point, the student finds he has used of sodium hydroxide solution.calculate the molarity of the student's sodium hydroxide solution. be sure your answer has the correct number of significant digits.