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Chemistry, 20.09.2021 14:00 ghwolf4p0m7x0

Se tiene una mezcla de arena y cemento en la cual el cemento representa 17% masa. Se necesita 350libras de una mezcla de arena y cemento con un mínimo del 30% masa en cemento para poder realizar un trabajo. Un trabajador agrego un saco de 50kg de cemento a la mezcla original al 17% masa, y consiguió una mezcla al 35% en cemento. a) Se consiguió la cantidad necesaria de 350 libras para llevar a cabo el trabajo?
b) El exceso de mezcla no debe ser mayor a 10%, Se cumplió con este requisito?

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