Chemistry, 18.03.2021 02:20 Cayden7950
8. Explica por qué, en todos los procesos químicos, es indispensable calcular la cantidad de
sustancias que deben obtenerse, para poder determinar la cantidad exacta de reactivos que
deben hacerse reaccionar. Da tres ejemplos, de la vida diaria, en los que los cálculos son
importantes y necesarios.
9. ¿Cuantos gramos puros hay en 500 g de carbonato de calcio (Caco,) del 72% de pureza?
10. Realice matemáticamente en donde hay más gramos puros. En 50 g de NaOH del 75% de
pureza o en 80 g de NaCl del 70% de pureza.
Answers: 1
Chemistry, 22.06.2019 12:20
Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.
Answers: 3
Chemistry, 22.06.2019 19:50
Which sentence from holes contains an implied personality trait? stanley and his parents had tried to pretend that he was just going away to camp for a while, just like rich kids do. he'd just been in the wrong place at the wrong time. stanley felt somewhat dazed as the guard unlocked his handcuffs and led him off the bus. stanley nodded to show he understood
Answers: 3
Chemistry, 22.06.2019 22:30
Why is it possible for different microorganisms to extract energy not only from carbohydrates and other biological molecules but from a large variety of substances?
Answers: 1
Chemistry, 23.06.2019 00:00
What conclusion can you draw from this experiment about the components of the black ink?
Answers: 3
8. Explica por qué, en todos los procesos químicos, es indispensable calcular la cantidad de
sustan...
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