El fluoruro de hidrógeno HF que se utiliza en
la obtención de los freones (los cuales
destruyen la capa de ozono de la
estratosfera), se prepara mediante la
siguiente reacción: CaF2 + H2SO4
CaSO4 + 2HF Si se hacen reaccionar 50gr
de CaF2 con 100 gr de H2SO4 (masas
atómicas Ca=40,F=19, H=1, S=32, O=16)
Answers: 2
Chemistry, 21.06.2019 22:30
Complete the sentence. the lower the hydrogen ion concentration, the the ph. higher lower closer to 7 closer to 0
Answers: 2
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Which best describes why nh4+ can form an ionic bond with ci-?
Answers: 1
Chemistry, 22.06.2019 14:50
Which of the following is most likely true about water in chemical solutions?
Answers: 1
Chemistry, 22.06.2019 17:30
Oil rich countries in the middle east cover about 4% of earths total land area but prossess about 48% of the worlds known oil reserves what is the main reason for high concentration of reserves in this part of the world
Answers: 3
El fluoruro de hidrógeno HF que se utiliza en
la obtención de los freones (los cuales
destruy...
destruy...
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