Question
1. Cul es el pH de una solucin 0,023 M de HCN (K a = 4,9 x 10 -10 )? [A) 1,64 - B) 10,95
1. Cul es el pH de una solucin 0,023 M de HCN (K a = 4,9 x 10 -10 )? [A) 1,64 - B) 10,95 - C) 3,05 - D) 5,47 - E) 4,97]
2. Determinar el pH de una solucin acuosa 0,35 M de CH 3 NH 2 (metilamina). La Kb de la metilamina es 4,4 x 10-4 . [A) 10,00 - B) 3,86 - C) 12,09 - D) 1,96 - E) 13,24]
3. Calcular el pH de una solucin 0,20 M de NH 4 NO 3. ( K b (NH 3 ) = 1,8 x 10 -5 ) [A) 0,69 - B) 4,74 - C) 2,72 - D) 4,98 - E) 9,02 ]
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Organic Chemistry
Authors: John E. McMurry
2nd Edition
495391441, 978-0495391449
