Archives

{“questions”:{“333n3”:{“id”:”333n3″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2012 \r\n\r\n \r\nDate due soluzioni, la prima contenente 0,50 mol di NaCl in 250 ml di acqua e la seconda contenente 0,20 mol di NaCl in 100 ml …

{“questions”:{“ufetv”:{“id”:”ufetv”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2012 \r\n\r\n \r\nCalcolare qual \u00e8 la concentrazione percentuale in massa (m\/m) di una soluzione ottenuta sciogliendo 5,4 g di NaCl in 535,6 g di acqua.\r\n“,”desc”:””,”hint”:””,”answers”:{“f9vlz”:{“id”:”f9vlz”,”image”:””,”imageId”:””,”title”:”A) 10%”},”qfip7″:{“id”:”qfip7″,”image”:””,”imageId”:””,”title”:”B) 1,0%”,”isCorrect”:”1″},”tib5w”:{“id”:”tib5w”,”image”:””,”imageId”:””,”title”:”C) 20%”},”wbg0r”:{“id”:”wbg0r”,”image”:””,”imageId”:””,”title”:”D) …

{“questions”:{“j5l4u”:{“id”:”j5l4u”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2012 \r\n\r\n \r\nCalcolare la quantit\u00e0 di ammoniaca (17 u.m.a.) contenuta in 500 ml di una soluzione acquosa 0,02 M.\r\n“,”desc”:””,”hint”:””,”answers”:{“ynwqt”:{“id”:”ynwqt”,”image”:””,”imageId”:””,”title”:”A) 0,17 g”,”isCorrect”:”1″},”y05w5″:{“id”:”y05w5″,”image”:””,”imageId”:””,”title”:”B) 0,34 g”},”12w5z”:{“id”:”12w5z”,”image”:””,”imageId”:””,”title”:”C) 0,17 mg”},”yx5pz”:{“id”:”yx5pz”,”image”:””,”imageId”:””,”title”:”D) 0,085 g”},”0azue”:{“id”:”0azue”,”image”:””,”imageId”:””,”title”:”E) 0,34 …

{“questions”:{“cme5p”:{“id”:”cme5p”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2012 \r\n\r\n \r\nCon il termine \u201cacqua dura\u201d si indica:\r\n“,”desc”:””,”hint”:””,”answers”:{“vzum1”:{“id”:”vzum1″,”image”:””,”imageId”:””,”title”:”A) ossido di deuterio”},”k7exs”:{“id”:”k7exs”,”image”:””,”imageId”:””,”title”:”B) acqua non potabile”},”3ghrc”:{“id”:”3ghrc”,”image”:””,”imageId”:””,”title”:”C) acqua ricca di sali”,”isCorrect”:”1″},”k9k3m”:{“id”:”k9k3m”,”image”:””,”imageId”:””,”title”:”D) perossido di idrogeno”},”lzhvq”:{“id”:”lzhvq”,”image”:””,”imageId”:””,”title”:”E) acqua pesante”}}}},”results”:{“4d7wn”:{“id”:”4d7wn”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” L\u2019acqua cos\u00ec come viene …

{“questions”:{“zy1em”:{“id”:”zy1em”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2011 \r\n\r\n \r\nQuanti grammi di NaOH (40 u.m.a.) bisogna sciogliere in 200 ml di acqua per preparare una soluzione 0,1 M?\r\n“,”desc”:””,”hint”:””,”answers”:{“q8bvt”:{“id”:”q8bvt”,”image”:””,”imageId”:””,”title”:”A) 0,4 g”},”eow96″:{“id”:”eow96″,”image”:””,”imageId”:””,”title”:”B) 0,8 g”,”isCorrect”:”1″},”3ed8g”:{“id”:”3ed8g”,”image”:””,”imageId”:””,”title”:”C) 1,6 g”},”17fnn”:{“id”:”17fnn”,”image”:””,”imageId”:””,”title”:”D) 4,0 …

{“questions”:{“8t6wq”:{“id”:”8t6wq”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2011\r\n\r\n \r\nIn 100 ml di una soluzione 2M sono presenti 6 grammi di soluto. Qual \u00e8 il peso molecolare del soluto in u.m.a.?\r\n“,”desc”:””,”hint”:””,”answers”:{“0qsq8”:{“id”:”0qsq8″,”image”:””,”imageId”:””,”title”:”A) 30″,”isCorrect”:”1″},”aoomq”:{“id”:”aoomq”,”image”:””,”imageId”:””,”title”:”B) 3″},”0yv2i”:{“id”:”0yv2i”,”image”:””,”imageId”:””,”title”:”C) 12″},”bnk1y”:{“id”:”bnk1y”,”image”:””,”imageId”:””,”title”:”D) 120″},”7h6ap”:{“id”:”7h6ap”,”image”:””,”imageId”:””,”title”:”E) 60″}}}},”results”:{“zw11v”:{“id”:”zw11v”,”title”:””,”image”:””,”imageId”:””,”min”:”0″,”max”:”1″,”desc”:” …

{“questions”:{“q9b6h”:{“id”:”q9b6h”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nVeterinaria 2010 \r\n\r\n \r\nQuanti grammi di NaOH (PM = 40) si devono sciogliere in 500 ml di acqua per ottenere una soluzione acquosa 1 M di NaOH?\r\n“,”desc”:””,”hint”:””,”answers”:{“2pwj1”:{“id”:”2pwj1″,”image”:””,”imageId”:””,”title”:”A) 2″},”x5dna”:{“id”:”x5dna”,”image”:””,”imageId”:””,”title”:”B) 40″},”bfe60″:{“id”:”bfe60″,”image”:””,”imageId”:””,”title”:”C) …

{“questions”:{“oqc7o”:{“id”:”oqc7o”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2010 \r\n\r\n \r\nQuanti grammi di una sostanza avente peso molecolare pari a 100 u.m.a. sono necessari per preparare 10 ml di una soluzione 2,5 M?\r\n“,”desc”:””,”hint”:””,”answers”:{“hnwu3”:{“id”:”hnwu3″,”image”:””,”imageId”:””,”title”:”A) 5,00″},”zds6g”:{“id”:”zds6g”,”image”:””,”imageId”:””,”title”:”B) 1,25″},”4po2g”:{“id”:”4po2g”,”image”:””,”imageId”:””,”title”:”C) 2,50″,”isCorrect”:”1″},”c3urh”:{“id”:”c3urh”,”image”:””,”imageId”:””,”title”:”D) …

{“questions”:{“kddu3”:{“id”:”kddu3″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2010 \r\n\r\n \r\nQuanti grammi di H2SO4 (P.M. = 98 u.m.a.) sono contenuti in 250 ml di una soluzione acquosa 2 M di H2SO4?\r\n“,”desc”:””,”hint”:””,”answers”:{“e7bsj”:{“id”:”e7bsj”,”image”:””,”imageId”:””,”title”:”A) 49 g”,”isCorrect”:”1″},”69ohn”:{“id”:”69ohn”,”image”:””,”imageId”:””,”title”:”B) 98 g”},”tfvl9″:{“id”:”tfvl9″,”image”:””,”imageId”:””,”title”:”C) 57 …

{“questions”:{“sf4uo”:{“id”:”sf4uo”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” \r\nMedicina 2008 \r\n\r\n \r\nA 50 ml di una soluzione 0,06M di HCl, viene aggiunto un volume pari al doppio di una soluzione identica di HCl 0,06 M. Come cambia …