Archives

{“questions”:{“jnojs”:{“id”:”jnojs”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVetrinaria 2005\r\n\r\n \r\nUna soluzione 1 M di HCl contiene:\r\n“,”desc”:””,”hint”:””,”answers”:{“ue7zv”:{“id”:”ue7zv”,”image”:””,”imageId”:””,”title”:”A) 1 molecola di soluto per 1000 g di solvente”},”oa13k”:{“id”:”oa13k”,”image”:””,”imageId”:””,”title”:”B) 1 mole di acido per 1 ml di soluzione”},”n30wd”:{“id”:”n30wd”,”image”:””,”imageId”:””,”title”:”C) 1 mole …

{“questions”:{“lwdd8”:{“id”:”lwdd8″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 2005\r\n\r\n \r\nCalcolare la molarit\u00e0 di una soluzione contenente 8 g di NaOH (P.M. = 40) in 100 ml di soluzione:\r\n“,”desc”:””,”hint”:””,”answers”:{“2tx4j”:{“id”:”2tx4j”,”image”:””,”imageId”:””,”title”:”A) 0,2 M”},”gpu2u”:{“id”:”gpu2u”,”image”:””,”imageId”:””,”title”:”B) 10 M”},”aahs6″:{“id”:”aahs6″,”image”:””,”imageId”:””,”title”:”C) 0,1 M”},”z5550″:{“id”:”z5550″,”image”:””,”imageId”:””,”title”:”D) 0,5 M”},”vvd17″:{“id”:”vvd17″,”image”:””,”imageId”:””,”title”:”E) …

{“questions”:{“irv3e”:{“id”:”irv3e”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2004\r\n\r\n \r\nUna mole di Al(OH)3 corrisponde a:\r\n“,”desc”:””,”hint”:””,”answers”:{“c3thx”:{“id”:”c3thx”,”image”:””,”imageId”:””,”title”:”A) tre grammoequivalenti”,”isCorrect”:”1″},”kz5ik”:{“id”:”kz5ik”,”image”:””,”imageId”:””,”title”:”B) un grammoequivalente”},”2pizy”:{“id”:”2pizy”,”image”:””,”imageId”:””,”title”:”C) un terzo di grammoequivalente”},”caxuu”:{“id”:”caxuu”,”image”:””,”imageId”:””,”title”:”D) un sesto di grammoequivalente”},”g87oi”:{“id”:”g87oi”,”image”:””,”imageId”:””,”title”:”E) sei grammoequivalenti”}}}},”results”:{“s7z7k”:{“id”:”s7z7k”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” L\u2019idrossido di alluminio AL(OH)3 possiede tre ossidrili …

{“questions”:{“i8gzi”:{“id”:”i8gzi”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2003\r\n\r\n \r\n\u201cEsistono vari modi per esprimere la concentrazione di una soluzione; le frazioni molari del solvente e del soluto, cio\u00e8 i rapporti tra le moli rispettivamente di solvente …

{“questions”:{“msynn”:{“id”:”msynn”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2001\r\n\r\n \r\n\u201cIl grado di dissociazione, indicato col simbolo \u03b1 , viene definito come la frazione di elettrolita che si dissocia, cio\u00e8 come il rapporto tra il numero di …

{“questions”:{“sy9o8”:{“id”:”sy9o8″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 2001\r\n\r\n \r\nIn 2000 mL di una soluzione acquosa sono presenti 3.65 g di HCl (p.m.=36.5 u.m.a.); la concentrazione della soluzione \u00e8:\r\n“,”desc”:””,”hint”:””,”answers”:{“gvn9v”:{“id”:”gvn9v”,”image”:””,”imageId”:””,”title”:”A) 0.5 M”},”nugvs”:{“id”:”nugvs”,”image”:””,”imageId”:””,”title”:”B) 0.05 M”,”isCorrect”:”1″},”e24nb”:{“id”:”e24nb”,”image”:””,”imageId”:””,”title”:”C) 0.1 M”},”xqzzy”:{“id”:”xqzzy”,”image”:””,”imageId”:””,”title”:”D) 0.05 …

{“questions”:{“j7kp8”:{“id”:”j7kp8″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 2000\r\n\r\n \r\nIl numero di moli di soluto contenute in ogni kg di solvente viene definito:\r\n“,”desc”:””,”hint”:””,”answers”:{“7o9a6”:{“id”:”7o9a6″,”image”:””,”imageId”:””,”title”:”A) normalit\u00e0″},”e1cwc”:{“id”:”e1cwc”,”image”:””,”imageId”:””,”title”:”B) molarit\u00e0″},”lotdm”:{“id”:”lotdm”,”image”:””,”imageId”:””,”title”:”C) molalit\u00e0″,”isCorrect”:”1″},”sr2gt”:{“id”:”sr2gt”,”image”:””,”imageId”:””,”title”:”D) frazione molare del solvente”},”b8e4m”:{“id”:”b8e4m”,”image”:””,”imageId”:””,”title”:”E) frazione molare del soluto”}}}},”results”:{“6m4h5”:{“id”:”6m4h5″,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” Immaginiamo di …

{“questions”:{“3st98”:{“id”:”3st98″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 1999 \r\n\r\n \r\nLa frazione molare del solvente \u00e8 il rapporto tra:\r\n“,”desc”:””,”hint”:””,”answers”:{“bqqch”:{“id”:”bqqch”,”image”:””,”imageId”:””,”title”:”A) le moli di solvente e i grammi di soluzione”},”5t1db”:{“id”:”5t1db”,”image”:””,”imageId”:””,”title”:”B) le moli di solvente e le moli di …

{“questions”:{“lq5pi”:{“id”:”lq5pi”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nOdontoiatria 1998 \r\n\r\n \r\nUna soluzione 2N contiene:\r\n“,”desc”:””,”hint”:””,”answers”:{“umwsr”:{“id”:”umwsr”,”image”:””,”imageId”:””,”title”:”A) due grammi di soluto per millimetro cubico di soluzione;”},”5md7b”:{“id”:”5md7b”,”image”:””,”imageId”:””,”title”:”B) due grammo equivalenti di soluto per litro di soluzione;”,”isCorrect”:”1″},”n2rst”:{“id”:”n2rst”,”image”:””,”imageId”:””,”title”:”C) due moli di soluto …

{“questions”:{“eclzx”:{“id”:”eclzx”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 1997 \r\n\r\n \r\nUna soluzione 0,1 molare si prepara sciogliendo 0,1 moli di soluto in:\r\n“,”desc”:””,”hint”:””,”answers”:{“f0hon”:{“id”:”f0hon”,”image”:””,”imageId”:””,”title”:”A) un chilo di solvente”},”11wlc”:{“id”:”11wlc”,”image”:””,”imageId”:””,”title”:”B) un chilo di soluzione”},”a87lj”:{“id”:”a87lj”,”image”:””,”imageId”:””,”title”:”C) un litro di soluzione”,”isCorrect”:”1″},”wwrbd”:{“id”:”wwrbd”,”image”:””,”imageId”:””,”title”:”D) 100 millilitri …